Home / 1,107,735.90-1,661,472.09-359,781.18

Finding the Fourth Proportional to 1,107,735.90, 1,661,472.09 and 359,781.18

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Solution

The fourth proportional to 1,107,735.90, 1,661,472.09 and 359,781.18 is: 539,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,735.90 : 1,661,472.09 = 359,781.18 : x
  2. Step 2: Convert to fraction form
    1,107,735.90/1,661,472.09 = 359,781.18/x
  3. Step 3: Cross multiply
    1,107,735.90x = 1,661,472.09 × 359,781.18
  4. Step 4: Simplify right side
    1,107,735.90x = 597,766,389,077.27
  5. Step 5: Solve for x
    x = 597,766,389,077.27/1,107,735.90
  6. Step 6: Final answer
    x = 539,628.98

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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.