Home / 1,639,569.60-2,459,428.20-502,248.78

Finding the Fourth Proportional to 1,639,569.60, 2,459,428.20 and 502,248.78

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Solution

The fourth proportional to 1,639,569.60, 2,459,428.20 and 502,248.78 is: 753,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,569.60 : 2,459,428.20 = 502,248.78 : x
  2. Step 2: Convert to fraction form
    1,639,569.60/2,459,428.20 = 502,248.78/x
  3. Step 3: Cross multiply
    1,639,569.60x = 2,459,428.20 × 502,248.78
  4. Step 4: Simplify right side
    1,639,569.60x = 1,235,244,812,947.60
  5. Step 5: Solve for x
    x = 1,235,244,812,947.60/1,639,569.60
  6. Step 6: Final answer
    x = 753,395.78

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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.