Home / 1,026,079.26-1,539,118.89-278,125.26

Finding the Fourth Proportional to 1,026,079.26, 1,539,118.89 and 278,125.26

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Solution

The fourth proportional to 1,026,079.26, 1,539,118.89 and 278,125.26 is: 417,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079.26 : 1,539,118.89 = 278,125.26 : x
  2. Step 2: Convert to fraction form
    1,026,079.26/1,539,118.89 = 278,125.26/x
  3. Step 3: Cross multiply
    1,026,079.26x = 1,539,118.89 × 278,125.26
  4. Step 4: Simplify right side
    1,026,079.26x = 428,067,841,452.16
  5. Step 5: Solve for x
    x = 428,067,841,452.16/1,026,079.26
  6. Step 6: Final answer
    x = 417,187.89

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Double scale
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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.