Home / 1,230,228.10-1,845,342.15-1,005,841.90

Finding the Fourth Proportional to 1,230,228.10, 1,845,342.15 and 1,005,841.90

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Solution

The fourth proportional to 1,230,228.10, 1,845,342.15 and 1,005,841.90 is: 1,508,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,228.10 : 1,845,342.15 = 1,005,841.90 : x
  2. Step 2: Convert to fraction form
    1,230,228.10/1,845,342.15 = 1,005,841.90/x
  3. Step 3: Cross multiply
    1,230,228.10x = 1,845,342.15 × 1,005,841.90
  4. Step 4: Simplify right side
    1,230,228.10x = 1,856,122,454,306.09
  5. Step 5: Solve for x
    x = 1,856,122,454,306.09/1,230,228.10
  6. Step 6: Final answer
    x = 1,508,762.85

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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.