Home / 756,158.40-1,134,237.60-673,489.80

Finding the Fourth Proportional to 756,158.40, 1,134,237.60 and 673,489.80

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Solution

The fourth proportional to 756,158.40, 1,134,237.60 and 673,489.80 is: 1,010,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,158.40 : 1,134,237.60 = 673,489.80 : x
  2. Step 2: Convert to fraction form
    756,158.40/1,134,237.60 = 673,489.80/x
  3. Step 3: Cross multiply
    756,158.40x = 1,134,237.60 × 673,489.80
  4. Step 4: Simplify right side
    756,158.40x = 763,897,454,376.48
  5. Step 5: Solve for x
    x = 763,897,454,376.48/756,158.40
  6. Step 6: Final answer
    x = 1,010,234.70

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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.