Home / 1,241,627.70-1,862,004.15-442,935.30

Finding the Fourth Proportional to 1,241,627.70, 1,862,004.15 and 442,935.30

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Solution

The fourth proportional to 1,241,627.70, 1,862,004.15 and 442,935.30 is: 664,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,627.70 : 1,862,004.15 = 442,935.30 : x
  2. Step 2: Convert to fraction form
    1,241,627.70/1,862,004.15 = 442,935.30/x
  3. Step 3: Cross multiply
    1,241,627.70x = 1,862,004.15 × 442,935.30
  4. Step 4: Simplify right side
    1,241,627.70x = 824,747,366,781.50
  5. Step 5: Solve for x
    x = 824,747,366,781.50/1,241,627.70
  6. Step 6: Final answer
    x = 664,246.91

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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.