Home / 1,014,798.29-1,399,890.65-627,489.90

Finding the Fourth Proportional to 1,014,798.29, 1,399,890.65 and 627,489.90

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Solution

The fourth proportional to 1,014,798.29, 1,399,890.65 and 627,489.90 is: 865,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,798.29 : 1,399,890.65 = 627,489.90 : x
  2. Step 2: Convert to fraction form
    1,014,798.29/1,399,890.65 = 627,489.90/x
  3. Step 3: Cross multiply
    1,014,798.29x = 1,399,890.65 × 627,489.90
  4. Step 4: Simplify right side
    1,014,798.29x = 878,417,240,841.99
  5. Step 5: Solve for x
    x = 878,417,240,841.99/1,014,798.29
  6. Step 6: Final answer
    x = 865,607.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.