Home / 1,119,496.80-1,679,245.20-278,048.55

Finding the Fourth Proportional to 1,119,496.80, 1,679,245.20 and 278,048.55

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Solution

The fourth proportional to 1,119,496.80, 1,679,245.20 and 278,048.55 is: 417,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,496.80 : 1,679,245.20 = 278,048.55 : x
  2. Step 2: Convert to fraction form
    1,119,496.80/1,679,245.20 = 278,048.55/x
  3. Step 3: Cross multiply
    1,119,496.80x = 1,679,245.20 × 278,048.55
  4. Step 4: Simplify right side
    1,119,496.80x = 466,911,692,954.46
  5. Step 5: Solve for x
    x = 466,911,692,954.46/1,119,496.80
  6. Step 6: Final answer
    x = 417,072.83

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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.