Home / 1,145,290.10-1,717,229.50-387,060.17

Finding the Fourth Proportional to 1,145,290.10, 1,717,229.50 and 387,060.17

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Solution

The fourth proportional to 1,145,290.10, 1,717,229.50 and 387,060.17 is: 580,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,290.10 : 1,717,229.50 = 387,060.17 : x
  2. Step 2: Convert to fraction form
    1,145,290.10/1,717,229.50 = 387,060.17/x
  3. Step 3: Cross multiply
    1,145,290.10x = 1,717,229.50 × 387,060.17
  4. Step 4: Simplify right side
    1,145,290.10x = 664,671,132,645.22
  5. Step 5: Solve for x
    x = 664,671,132,645.22/1,145,290.10
  6. Step 6: Final answer
    x = 580,351.77

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Double scale
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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.