Home / 1,042,257.80-1,563,386.70-443,068.40

Finding the Fourth Proportional to 1,042,257.80, 1,563,386.70 and 443,068.40

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Solution

The fourth proportional to 1,042,257.80, 1,563,386.70 and 443,068.40 is: 664,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,257.80 : 1,563,386.70 = 443,068.40 : x
  2. Step 2: Convert to fraction form
    1,042,257.80/1,563,386.70 = 443,068.40/x
  3. Step 3: Cross multiply
    1,042,257.80x = 1,563,386.70 × 443,068.40
  4. Step 4: Simplify right side
    1,042,257.80x = 692,687,243,750.28
  5. Step 5: Solve for x
    x = 692,687,243,750.28/1,042,257.80
  6. Step 6: Final answer
    x = 664,602.60

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Double scale
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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.