Home / 1,667,902.25-2,500,905.35-656,475.93

Finding the Fourth Proportional to 1,667,902.25, 2,500,905.35 and 656,475.93

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Solution

The fourth proportional to 1,667,902.25, 2,500,905.35 and 656,475.93 is: 984,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,902.25 : 2,500,905.35 = 656,475.93 : x
  2. Step 2: Convert to fraction form
    1,667,902.25/2,500,905.35 = 656,475.93/x
  3. Step 3: Cross multiply
    1,667,902.25x = 2,500,905.35 × 656,475.93
  4. Step 4: Simplify right side
    1,667,902.25x = 1,641,784,167,124.42
  5. Step 5: Solve for x
    x = 1,641,784,167,124.42/1,667,902.25
  6. Step 6: Final answer
    x = 984,340.76

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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.