Home / 1,119,772.67-1,679,660.31-278,324.42

Finding the Fourth Proportional to 1,119,772.67, 1,679,660.31 and 278,324.42

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Solution

The fourth proportional to 1,119,772.67, 1,679,660.31 and 278,324.42 is: 417,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,772.67 : 1,679,660.31 = 278,324.42 : x
  2. Step 2: Convert to fraction form
    1,119,772.67/1,679,660.31 = 278,324.42/x
  3. Step 3: Cross multiply
    1,119,772.67x = 1,679,660.31 × 278,324.42
  4. Step 4: Simplify right side
    1,119,772.67x = 467,490,474,223.19
  5. Step 5: Solve for x
    x = 467,490,474,223.19/1,119,772.67
  6. Step 6: Final answer
    x = 417,486.95

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Double scale
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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.