Home / 1,052,987.27-1,454,008.20-666,484.53

Finding the Fourth Proportional to 1,052,987.27, 1,454,008.20 and 666,484.53

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Solution

The fourth proportional to 1,052,987.27, 1,454,008.20 and 666,484.53 is: 920,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,987.27 : 1,454,008.20 = 666,484.53 : x
  2. Step 2: Convert to fraction form
    1,052,987.27/1,454,008.20 = 666,484.53/x
  3. Step 3: Cross multiply
    1,052,987.27x = 1,454,008.20 × 666,484.53
  4. Step 4: Simplify right side
    1,052,987.27x = 969,073,964,523.11
  5. Step 5: Solve for x
    x = 969,073,964,523.11/1,052,987.27
  6. Step 6: Final answer
    x = 920,309.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.