Home / 1,119,497.55-1,679,246.33-278,049.30

Finding the Fourth Proportional to 1,119,497.55, 1,679,246.33 and 278,049.30

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Solution

The fourth proportional to 1,119,497.55, 1,679,246.33 and 278,049.30 is: 417,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,497.55 : 1,679,246.33 = 278,049.30 : x
  2. Step 2: Convert to fraction form
    1,119,497.55/1,679,246.33 = 278,049.30/x
  3. Step 3: Cross multiply
    1,119,497.55x = 1,679,246.33 × 278,049.30
  4. Step 4: Simplify right side
    1,119,497.55x = 466,913,265,193.82
  5. Step 5: Solve for x
    x = 466,913,265,193.82/1,119,497.55
  6. Step 6: Final answer
    x = 417,073.95

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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.