Home / 1,170,419.20-1,755,628.80-371,781.48

Finding the Fourth Proportional to 1,170,419.20, 1,755,628.80 and 371,781.48

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Solution

The fourth proportional to 1,170,419.20, 1,755,628.80 and 371,781.48 is: 557,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,419.20 : 1,755,628.80 = 371,781.48 : x
  2. Step 2: Convert to fraction form
    1,170,419.20/1,755,628.80 = 371,781.48/x
  3. Step 3: Cross multiply
    1,170,419.20x = 1,755,628.80 × 371,781.48
  4. Step 4: Simplify right side
    1,170,419.20x = 652,710,273,594.62
  5. Step 5: Solve for x
    x = 652,710,273,594.62/1,170,419.20
  6. Step 6: Final answer
    x = 557,672.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.