Home / 1,458,006.11-2,012,049.67-813,426.42

Finding the Fourth Proportional to 1,458,006.11, 2,012,049.67 and 813,426.42

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Solution

The fourth proportional to 1,458,006.11, 2,012,049.67 and 813,426.42 is: 1,122,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,006.11 : 2,012,049.67 = 813,426.42 : x
  2. Step 2: Convert to fraction form
    1,458,006.11/2,012,049.67 = 813,426.42/x
  3. Step 3: Cross multiply
    1,458,006.11x = 2,012,049.67 × 813,426.42
  4. Step 4: Simplify right side
    1,458,006.11x = 1,636,654,359,930.28
  5. Step 5: Solve for x
    x = 1,636,654,359,930.28/1,458,006.11
  6. Step 6: Final answer
    x = 1,122,529.15

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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.