Home / 1,272,176.43-1,755,607.28-699,275.31

Finding the Fourth Proportional to 1,272,176.43, 1,755,607.28 and 699,275.31

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Solution

The fourth proportional to 1,272,176.43, 1,755,607.28 and 699,275.31 is: 965,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,176.43 : 1,755,607.28 = 699,275.31 : x
  2. Step 2: Convert to fraction form
    1,272,176.43/1,755,607.28 = 699,275.31/x
  3. Step 3: Cross multiply
    1,272,176.43x = 1,755,607.28 × 699,275.31
  4. Step 4: Simplify right side
    1,272,176.43x = 1,227,652,821,463.88
  5. Step 5: Solve for x
    x = 1,227,652,821,463.88/1,272,176.43
  6. Step 6: Final answer
    x = 965,002.02

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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.