Home / 1,386,872.10-2,080,672.65-440,241.30

Finding the Fourth Proportional to 1,386,872.10, 2,080,672.65 and 440,241.30

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Solution

The fourth proportional to 1,386,872.10, 2,080,672.65 and 440,241.30 is: 660,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,872.10 : 2,080,672.65 = 440,241.30 : x
  2. Step 2: Convert to fraction form
    1,386,872.10/2,080,672.65 = 440,241.30/x
  3. Step 3: Cross multiply
    1,386,872.10x = 2,080,672.65 × 440,241.30
  4. Step 4: Simplify right side
    1,386,872.10x = 915,998,032,310.45
  5. Step 5: Solve for x
    x = 915,998,032,310.45/1,386,872.10
  6. Step 6: Final answer
    x = 660,477.65

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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.