Home / 1,424,909.40-2,134,383.30-667,397.40

Finding the Fourth Proportional to 1,424,909.40, 2,134,383.30 and 667,397.40

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Solution

The fourth proportional to 1,424,909.40, 2,134,383.30 and 667,397.40 is: 999,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,909.40 : 2,134,383.30 = 667,397.40 : x
  2. Step 2: Convert to fraction form
    1,424,909.40/2,134,383.30 = 667,397.40/x
  3. Step 3: Cross multiply
    1,424,909.40x = 2,134,383.30 × 667,397.40
  4. Step 4: Simplify right side
    1,424,909.40x = 1,424,481,865,023.42
  5. Step 5: Solve for x
    x = 1,424,481,865,023.42/1,424,909.40
  6. Step 6: Final answer
    x = 999,699.96

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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.