Home / 1,451,618.10-2,003,013.19-831,326.80

Finding the Fourth Proportional to 1,451,618.10, 2,003,013.19 and 831,326.80

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Solution

The fourth proportional to 1,451,618.10, 2,003,013.19 and 831,326.80 is: 1,147,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,618.10 : 2,003,013.19 = 831,326.80 : x
  2. Step 2: Convert to fraction form
    1,451,618.10/2,003,013.19 = 831,326.80/x
  3. Step 3: Cross multiply
    1,451,618.10x = 2,003,013.19 × 831,326.80
  4. Step 4: Simplify right side
    1,451,618.10x = 1,665,158,545,600.49
  5. Step 5: Solve for x
    x = 1,665,158,545,600.49/1,451,618.10
  6. Step 6: Final answer
    x = 1,147,105.11

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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.