Home / 1,452,401.28-2,178,601.92-441,521.28

Finding the Fourth Proportional to 1,452,401.28, 2,178,601.92 and 441,521.28

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Solution

The fourth proportional to 1,452,401.28, 2,178,601.92 and 441,521.28 is: 662,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,401.28 : 2,178,601.92 = 441,521.28 : x
  2. Step 2: Convert to fraction form
    1,452,401.28/2,178,601.92 = 441,521.28/x
  3. Step 3: Cross multiply
    1,452,401.28x = 2,178,601.92 × 441,521.28
  4. Step 4: Simplify right side
    1,452,401.28x = 961,899,108,328.86
  5. Step 5: Solve for x
    x = 961,899,108,328.86/1,452,401.28
  6. Step 6: Final answer
    x = 662,281.92

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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.