Home / 1,145,272.80-1,717,355.60-425,117.92

Finding the Fourth Proportional to 1,145,272.80, 1,717,355.60 and 425,117.92

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Solution

The fourth proportional to 1,145,272.80, 1,717,355.60 and 425,117.92 is: 637,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,272.80 : 1,717,355.60 = 425,117.92 : x
  2. Step 2: Convert to fraction form
    1,145,272.80/1,717,355.60 = 425,117.92/x
  3. Step 3: Cross multiply
    1,145,272.80x = 1,717,355.60 × 425,117.92
  4. Step 4: Simplify right side
    1,145,272.80x = 730,078,640,572.35
  5. Step 5: Solve for x
    x = 730,078,640,572.35/1,145,272.80
  6. Step 6: Final answer
    x = 637,471.39

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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.