Home / 1,458,082.10-2,187,123.15-820,352.90

Finding the Fourth Proportional to 1,458,082.10, 2,187,123.15 and 820,352.90

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Solution

The fourth proportional to 1,458,082.10, 2,187,123.15 and 820,352.90 is: 1,230,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,082.10 : 2,187,123.15 = 820,352.90 : x
  2. Step 2: Convert to fraction form
    1,458,082.10/2,187,123.15 = 820,352.90/x
  3. Step 3: Cross multiply
    1,458,082.10x = 2,187,123.15 × 820,352.90
  4. Step 4: Simplify right side
    1,458,082.10x = 1,794,212,818,759.64
  5. Step 5: Solve for x
    x = 1,794,212,818,759.64/1,458,082.10
  6. Step 6: Final answer
    x = 1,230,529.35

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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.