Home / 1,413,590.30-2,120,375.72-572,129.90

Finding the Fourth Proportional to 1,413,590.30, 2,120,375.72 and 572,129.90

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Solution

The fourth proportional to 1,413,590.30, 2,120,375.72 and 572,129.90 is: 858,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,590.30 : 2,120,375.72 = 572,129.90 : x
  2. Step 2: Convert to fraction form
    1,413,590.30/2,120,375.72 = 572,129.90/x
  3. Step 3: Cross multiply
    1,413,590.30x = 2,120,375.72 × 572,129.90
  4. Step 4: Simplify right side
    1,413,590.30x = 1,213,130,348,646.03
  5. Step 5: Solve for x
    x = 1,213,130,348,646.03/1,413,590.30
  6. Step 6: Final answer
    x = 858,190.91

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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.