Home / 1,337,400.10-1,845,576.12-813,914.38

Finding the Fourth Proportional to 1,337,400.10, 1,845,576.12 and 813,914.38

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Solution

The fourth proportional to 1,337,400.10, 1,845,576.12 and 813,914.38 is: 1,123,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,400.10 : 1,845,576.12 = 813,914.38 : x
  2. Step 2: Convert to fraction form
    1,337,400.10/1,845,576.12 = 813,914.38/x
  3. Step 3: Cross multiply
    1,337,400.10x = 1,845,576.12 × 813,914.38
  4. Step 4: Simplify right side
    1,337,400.10x = 1,502,140,943,452.61
  5. Step 5: Solve for x
    x = 1,502,140,943,452.61/1,337,400.10
  6. Step 6: Final answer
    x = 1,123,179.92

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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.