Home / 1,451,319.40-2,176,979.10-440,439.40

Finding the Fourth Proportional to 1,451,319.40, 2,176,979.10 and 440,439.40

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Solution

The fourth proportional to 1,451,319.40, 2,176,979.10 and 440,439.40 is: 660,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,319.40 : 2,176,979.10 = 440,439.40 : x
  2. Step 2: Convert to fraction form
    1,451,319.40/2,176,979.10 = 440,439.40/x
  3. Step 3: Cross multiply
    1,451,319.40x = 2,176,979.10 × 440,439.40
  4. Step 4: Simplify right side
    1,451,319.40x = 958,827,368,616.54
  5. Step 5: Solve for x
    x = 958,827,368,616.54/1,451,319.40
  6. Step 6: Final answer
    x = 660,659.10

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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.