Home / 1,119,452.40-1,679,178.60-278,004.15

Finding the Fourth Proportional to 1,119,452.40, 1,679,178.60 and 278,004.15

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Solution

The fourth proportional to 1,119,452.40, 1,679,178.60 and 278,004.15 is: 417,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,452.40 : 1,679,178.60 = 278,004.15 : x
  2. Step 2: Convert to fraction form
    1,119,452.40/1,679,178.60 = 278,004.15/x
  3. Step 3: Cross multiply
    1,119,452.40x = 1,679,178.60 × 278,004.15
  4. Step 4: Simplify right side
    1,119,452.40x = 466,818,619,391.19
  5. Step 5: Solve for x
    x = 466,818,619,391.19/1,119,452.40
  6. Step 6: Final answer
    x = 417,006.23

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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.