Home / 1,386,770.60-2,080,386.30-545,349.80

Finding the Fourth Proportional to 1,386,770.60, 2,080,386.30 and 545,349.80

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Solution

The fourth proportional to 1,386,770.60, 2,080,386.30 and 545,349.80 is: 818,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,770.60 : 2,080,386.30 = 545,349.80 : x
  2. Step 2: Convert to fraction form
    1,386,770.60/2,080,386.30 = 545,349.80/x
  3. Step 3: Cross multiply
    1,386,770.60x = 2,080,386.30 × 545,349.80
  4. Step 4: Simplify right side
    1,386,770.60x = 1,134,538,252,627.74
  5. Step 5: Solve for x
    x = 1,134,538,252,627.74/1,386,770.60
  6. Step 6: Final answer
    x = 818,115.31

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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.