Home / 1,272,219.50-1,755,640.26-699,259.52

Finding the Fourth Proportional to 1,272,219.50, 1,755,640.26 and 699,259.52

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Solution

The fourth proportional to 1,272,219.50, 1,755,640.26 and 699,259.52 is: 964,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,219.50 : 1,755,640.26 = 699,259.52 : x
  2. Step 2: Convert to fraction form
    1,272,219.50/1,755,640.26 = 699,259.52/x
  3. Step 3: Cross multiply
    1,272,219.50x = 1,755,640.26 × 699,259.52
  4. Step 4: Simplify right side
    1,272,219.50x = 1,227,648,165,500.28
  5. Step 5: Solve for x
    x = 1,227,648,165,500.28/1,272,219.50
  6. Step 6: Final answer
    x = 964,965.69

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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.