Home / 1,373,721.60-2,059,999.20-663,967.20

Finding the Fourth Proportional to 1,373,721.60, 2,059,999.20 and 663,967.20

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Solution

The fourth proportional to 1,373,721.60, 2,059,999.20 and 663,967.20 is: 995,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,721.60 : 2,059,999.20 = 663,967.20 : x
  2. Step 2: Convert to fraction form
    1,373,721.60/2,059,999.20 = 663,967.20/x
  3. Step 3: Cross multiply
    1,373,721.60x = 2,059,999.20 × 663,967.20
  4. Step 4: Simplify right side
    1,373,721.60x = 1,367,771,900,826.24
  5. Step 5: Solve for x
    x = 1,367,771,900,826.24/1,373,721.60
  6. Step 6: Final answer
    x = 995,668.92

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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.