Home / 1,375,520.80-2,063,572.80-415,897.60

Finding the Fourth Proportional to 1,375,520.80, 2,063,572.80 and 415,897.60

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Solution

The fourth proportional to 1,375,520.80, 2,063,572.80 and 415,897.60 is: 623,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,520.80 : 2,063,572.80 = 415,897.60 : x
  2. Step 2: Convert to fraction form
    1,375,520.80/2,063,572.80 = 415,897.60/x
  3. Step 3: Cross multiply
    1,375,520.80x = 2,063,572.80 × 415,897.60
  4. Step 4: Simplify right side
    1,375,520.80x = 858,234,974,945.28
  5. Step 5: Solve for x
    x = 858,234,974,945.28/1,375,520.80
  6. Step 6: Final answer
    x = 623,934.57

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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.