Home / 1,386,876.60-2,080,679.40-440,245.80

Finding the Fourth Proportional to 1,386,876.60, 2,080,679.40 and 440,245.80

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Solution

The fourth proportional to 1,386,876.60, 2,080,679.40 and 440,245.80 is: 660,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,876.60 : 2,080,679.40 = 440,245.80 : x
  2. Step 2: Convert to fraction form
    1,386,876.60/2,080,679.40 = 440,245.80/x
  3. Step 3: Cross multiply
    1,386,876.60x = 2,080,679.40 × 440,245.80
  4. Step 4: Simplify right side
    1,386,876.60x = 916,010,366,996.52
  5. Step 5: Solve for x
    x = 916,010,366,996.52/1,386,876.60
  6. Step 6: Final answer
    x = 660,484.41

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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.