Home / 1,017,781.80-1,527,255.90-387,148.20

Finding the Fourth Proportional to 1,017,781.80, 1,527,255.90 and 387,148.20

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Solution

The fourth proportional to 1,017,781.80, 1,527,255.90 and 387,148.20 is: 580,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,781.80 : 1,527,255.90 = 387,148.20 : x
  2. Step 2: Convert to fraction form
    1,017,781.80/1,527,255.90 = 387,148.20/x
  3. Step 3: Cross multiply
    1,017,781.80x = 1,527,255.90 × 387,148.20
  4. Step 4: Simplify right side
    1,017,781.80x = 591,274,372,624.38
  5. Step 5: Solve for x
    x = 591,274,372,624.38/1,017,781.80
  6. Step 6: Final answer
    x = 580,944.14

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1.5x scale

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.