Home / 1,162,415.30-1,740,512.55-739,400.90

Finding the Fourth Proportional to 1,162,415.30, 1,740,512.55 and 739,400.90

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Solution

The fourth proportional to 1,162,415.30, 1,740,512.55 and 739,400.90 is: 1,107,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,415.30 : 1,740,512.55 = 739,400.90 : x
  2. Step 2: Convert to fraction form
    1,162,415.30/1,740,512.55 = 739,400.90/x
  3. Step 3: Cross multiply
    1,162,415.30x = 1,740,512.55 × 739,400.90
  4. Step 4: Simplify right side
    1,162,415.30x = 1,286,936,545,931.30
  5. Step 5: Solve for x
    x = 1,286,936,545,931.30/1,162,415.30
  6. Step 6: Final answer
    x = 1,107,122.86

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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.