Home / 679,148.52-1,018,721.70-180,512.52

Finding the Fourth Proportional to 679,148.52, 1,018,721.70 and 180,512.52

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Solution

The fourth proportional to 679,148.52, 1,018,721.70 and 180,512.52 is: 270,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,148.52 : 1,018,721.70 = 180,512.52 : x
  2. Step 2: Convert to fraction form
    679,148.52/1,018,721.70 = 180,512.52/x
  3. Step 3: Cross multiply
    679,148.52x = 1,018,721.70 × 180,512.52
  4. Step 4: Simplify right side
    679,148.52x = 183,892,021,245.68
  5. Step 5: Solve for x
    x = 183,892,021,245.68/679,148.52
  6. Step 6: Final answer
    x = 270,768.49

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Similar ratio
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1.5x scale

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.