Home / 749,231.60-1,123,847.40-662,626.40

Finding the Fourth Proportional to 749,231.60, 1,123,847.40 and 662,626.40

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Solution

The fourth proportional to 749,231.60, 1,123,847.40 and 662,626.40 is: 993,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,231.60 : 1,123,847.40 = 662,626.40 : x
  2. Step 2: Convert to fraction form
    749,231.60/1,123,847.40 = 662,626.40/x
  3. Step 3: Cross multiply
    749,231.60x = 1,123,847.40 × 662,626.40
  4. Step 4: Simplify right side
    749,231.60x = 744,690,956,811.36
  5. Step 5: Solve for x
    x = 744,690,956,811.36/749,231.60
  6. Step 6: Final answer
    x = 993,939.60

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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.