Home / 1,272,419.92-1,755,941.58-699,463.72

Finding the Fourth Proportional to 1,272,419.92, 1,755,941.58 and 699,463.72

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Solution

The fourth proportional to 1,272,419.92, 1,755,941.58 and 699,463.72 is: 965,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,419.92 : 1,755,941.58 = 699,463.72 : x
  2. Step 2: Convert to fraction form
    1,272,419.92/1,755,941.58 = 699,463.72/x
  3. Step 3: Cross multiply
    1,272,419.92x = 1,755,941.58 × 699,463.72
  4. Step 4: Simplify right side
    1,272,419.92x = 1,228,217,429,649.48
  5. Step 5: Solve for x
    x = 1,228,217,429,649.48/1,272,419.92
  6. Step 6: Final answer
    x = 965,261.08

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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.