Home / 1,366,007.40-2,049,011.10-419,255.10

Finding the Fourth Proportional to 1,366,007.40, 2,049,011.10 and 419,255.10

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Solution

The fourth proportional to 1,366,007.40, 2,049,011.10 and 419,255.10 is: 628,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,007.40 : 2,049,011.10 = 419,255.10 : x
  2. Step 2: Convert to fraction form
    1,366,007.40/2,049,011.10 = 419,255.10/x
  3. Step 3: Cross multiply
    1,366,007.40x = 2,049,011.10 × 419,255.10
  4. Step 4: Simplify right side
    1,366,007.40x = 859,058,353,631.61
  5. Step 5: Solve for x
    x = 859,058,353,631.61/1,366,007.40
  6. Step 6: Final answer
    x = 628,882.65

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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.