Home / 1,272,147.68-1,755,567.61-699,246.56

Finding the Fourth Proportional to 1,272,147.68, 1,755,567.61 and 699,246.56

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Solution

The fourth proportional to 1,272,147.68, 1,755,567.61 and 699,246.56 is: 964,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,147.68 : 1,755,567.61 = 699,246.56 : x
  2. Step 2: Convert to fraction form
    1,272,147.68/1,755,567.61 = 699,246.56/x
  3. Step 3: Cross multiply
    1,272,147.68x = 1,755,567.61 × 699,246.56
  4. Step 4: Simplify right side
    1,272,147.68x = 1,227,574,612,139.92
  5. Step 5: Solve for x
    x = 1,227,574,612,139.92/1,272,147.68
  6. Step 6: Final answer
    x = 964,962.35

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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.