Home / 1,107,171.70-1,660,671.15-433,122.10

Finding the Fourth Proportional to 1,107,171.70, 1,660,671.15 and 433,122.10

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Solution

The fourth proportional to 1,107,171.70, 1,660,671.15 and 433,122.10 is: 649,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,171.70 : 1,660,671.15 = 433,122.10 : x
  2. Step 2: Convert to fraction form
    1,107,171.70/1,660,671.15 = 433,122.10/x
  3. Step 3: Cross multiply
    1,107,171.70x = 1,660,671.15 × 433,122.10
  4. Step 4: Simplify right side
    1,107,171.70x = 719,273,375,897.42
  5. Step 5: Solve for x
    x = 719,273,375,897.42/1,107,171.70
  6. Step 6: Final answer
    x = 649,649.35

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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.