Home / 1,042,134.30-1,563,201.45-442,896.30

Finding the Fourth Proportional to 1,042,134.30, 1,563,201.45 and 442,896.30

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Solution

The fourth proportional to 1,042,134.30, 1,563,201.45 and 442,896.30 is: 664,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,134.30 : 1,563,201.45 = 442,896.30 : x
  2. Step 2: Convert to fraction form
    1,042,134.30/1,563,201.45 = 442,896.30/x
  3. Step 3: Cross multiply
    1,042,134.30x = 1,563,201.45 × 442,896.30
  4. Step 4: Simplify right side
    1,042,134.30x = 692,336,138,359.64
  5. Step 5: Solve for x
    x = 692,336,138,359.64/1,042,134.30
  6. Step 6: Final answer
    x = 664,344.45

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Half scale
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Double scale
Find fourth proportional to 1,042,135.30, 1,563,202.95 and 442,897.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.