Home / 1,323,383.55-1,984,006.05-513,349.71

Finding the Fourth Proportional to 1,323,383.55, 1,984,006.05 and 513,349.71

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Solution

The fourth proportional to 1,323,383.55, 1,984,006.05 and 513,349.71 is: 769,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,383.55 : 1,984,006.05 = 513,349.71 : x
  2. Step 2: Convert to fraction form
    1,323,383.55/1,984,006.05 = 513,349.71/x
  3. Step 3: Cross multiply
    1,323,383.55x = 1,984,006.05 × 513,349.71
  4. Step 4: Simplify right side
    1,323,383.55x = 1,018,488,930,405.75
  5. Step 5: Solve for x
    x = 1,018,488,930,405.75/1,323,383.55
  6. Step 6: Final answer
    x = 769,609.79

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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.