Home / 1,150,587.46-1,587,812.44-641,278.90

Finding the Fourth Proportional to 1,150,587.46, 1,587,812.44 and 641,278.90

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Solution

The fourth proportional to 1,150,587.46, 1,587,812.44 and 641,278.90 is: 884,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,587.46 : 1,587,812.44 = 641,278.90 : x
  2. Step 2: Convert to fraction form
    1,150,587.46/1,587,812.44 = 641,278.90/x
  3. Step 3: Cross multiply
    1,150,587.46x = 1,587,812.44 × 641,278.90
  4. Step 4: Simplify right side
    1,150,587.46x = 1,018,230,605,387.26
  5. Step 5: Solve for x
    x = 1,018,230,605,387.26/1,150,587.46
  6. Step 6: Final answer
    x = 884,965.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.