Home / 1,387,651.32-2,081,808.24-441,023.76

Finding the Fourth Proportional to 1,387,651.32, 2,081,808.24 and 441,023.76

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Solution

The fourth proportional to 1,387,651.32, 2,081,808.24 and 441,023.76 is: 661,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,651.32 : 2,081,808.24 = 441,023.76 : x
  2. Step 2: Convert to fraction form
    1,387,651.32/2,081,808.24 = 441,023.76/x
  3. Step 3: Cross multiply
    1,387,651.32x = 2,081,808.24 × 441,023.76
  4. Step 4: Simplify right side
    1,387,651.32x = 918,126,897,603.78
  5. Step 5: Solve for x
    x = 918,126,897,603.78/1,387,651.32
  6. Step 6: Final answer
    x = 661,640.92

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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.