Home / 1,657,689.80-2,486,534.70-947,789.60

Finding the Fourth Proportional to 1,657,689.80, 2,486,534.70 and 947,789.60

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Solution

The fourth proportional to 1,657,689.80, 2,486,534.70 and 947,789.60 is: 1,421,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,689.80 : 2,486,534.70 = 947,789.60 : x
  2. Step 2: Convert to fraction form
    1,657,689.80/2,486,534.70 = 947,789.60/x
  3. Step 3: Cross multiply
    1,657,689.80x = 2,486,534.70 × 947,789.60
  4. Step 4: Simplify right side
    1,657,689.80x = 2,356,711,728,699.12
  5. Step 5: Solve for x
    x = 2,356,711,728,699.12/1,657,689.80
  6. Step 6: Final answer
    x = 1,421,684.40

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Similar ratio
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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.