Home / 1,026,043.76-1,539,065.64-278,089.76

Finding the Fourth Proportional to 1,026,043.76, 1,539,065.64 and 278,089.76

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Solution

The fourth proportional to 1,026,043.76, 1,539,065.64 and 278,089.76 is: 417,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,043.76 : 1,539,065.64 = 278,089.76 : x
  2. Step 2: Convert to fraction form
    1,026,043.76/1,539,065.64 = 278,089.76/x
  3. Step 3: Cross multiply
    1,026,043.76x = 1,539,065.64 × 278,089.76
  4. Step 4: Simplify right side
    1,026,043.76x = 427,998,394,451.85
  5. Step 5: Solve for x
    x = 427,998,394,451.85/1,026,043.76
  6. Step 6: Final answer
    x = 417,134.64

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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.