Home / 670,717.40-1,006,076.10-172,081.40

Finding the Fourth Proportional to 670,717.40, 1,006,076.10 and 172,081.40

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Solution

The fourth proportional to 670,717.40, 1,006,076.10 and 172,081.40 is: 258,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,717.40 : 1,006,076.10 = 172,081.40 : x
  2. Step 2: Convert to fraction form
    670,717.40/1,006,076.10 = 172,081.40/x
  3. Step 3: Cross multiply
    670,717.40x = 1,006,076.10 × 172,081.40
  4. Step 4: Simplify right side
    670,717.40x = 173,126,983,794.54
  5. Step 5: Solve for x
    x = 173,126,983,794.54/670,717.40
  6. Step 6: Final answer
    x = 258,122.10

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Similar ratio
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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.