Home / 1,026,423.66-1,539,636.30-278,469.66

Finding the Fourth Proportional to 1,026,423.66, 1,539,636.30 and 278,469.66

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Solution

The fourth proportional to 1,026,423.66, 1,539,636.30 and 278,469.66 is: 417,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,423.66 : 1,539,636.30 = 278,469.66 : x
  2. Step 2: Convert to fraction form
    1,026,423.66/1,539,636.30 = 278,469.66/x
  3. Step 3: Cross multiply
    1,026,423.66x = 1,539,636.30 × 278,469.66
  4. Step 4: Simplify right side
    1,026,423.66x = 428,741,996,984.66
  5. Step 5: Solve for x
    x = 428,741,996,984.66/1,026,423.66
  6. Step 6: Final answer
    x = 417,704.71

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Double scale
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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.