Home / 1,175,005.16-1,762,318.54-321,877.42

Finding the Fourth Proportional to 1,175,005.16, 1,762,318.54 and 321,877.42

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Solution

The fourth proportional to 1,175,005.16, 1,762,318.54 and 321,877.42 is: 482,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,005.16 : 1,762,318.54 = 321,877.42 : x
  2. Step 2: Convert to fraction form
    1,175,005.16/1,762,318.54 = 321,877.42/x
  3. Step 3: Cross multiply
    1,175,005.16x = 1,762,318.54 × 321,877.42
  4. Step 4: Simplify right side
    1,175,005.16x = 567,250,546,731.72
  5. Step 5: Solve for x
    x = 567,250,546,731.72/1,175,005.16
  6. Step 6: Final answer
    x = 482,764.30

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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.