Home / 1,386,687.10-2,080,261.05-545,266.30

Finding the Fourth Proportional to 1,386,687.10, 2,080,261.05 and 545,266.30

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Solution

The fourth proportional to 1,386,687.10, 2,080,261.05 and 545,266.30 is: 817,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,687.10 : 2,080,261.05 = 545,266.30 : x
  2. Step 2: Convert to fraction form
    1,386,687.10/2,080,261.05 = 545,266.30/x
  3. Step 3: Cross multiply
    1,386,687.10x = 2,080,261.05 × 545,266.30
  4. Step 4: Simplify right side
    1,386,687.10x = 1,134,296,245,767.62
  5. Step 5: Solve for x
    x = 1,134,296,245,767.62/1,386,687.10
  6. Step 6: Final answer
    x = 817,990.05

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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.