Home / 1,251,043.23-1,726,442.72-678,082.83

Finding the Fourth Proportional to 1,251,043.23, 1,726,442.72 and 678,082.83

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Solution

The fourth proportional to 1,251,043.23, 1,726,442.72 and 678,082.83 is: 935,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,043.23 : 1,726,442.72 = 678,082.83 : x
  2. Step 2: Convert to fraction form
    1,251,043.23/1,726,442.72 = 678,082.83/x
  3. Step 3: Cross multiply
    1,251,043.23x = 1,726,442.72 × 678,082.83
  4. Step 4: Simplify right side
    1,251,043.23x = 1,170,671,162,020.08
  5. Step 5: Solve for x
    x = 1,170,671,162,020.08/1,251,043.23
  6. Step 6: Final answer
    x = 935,755.96

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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.