Home / 1,080,127.40-1,617,080.70-660,223.40

Finding the Fourth Proportional to 1,080,127.40, 1,617,080.70 and 660,223.40

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Solution

The fourth proportional to 1,080,127.40, 1,617,080.70 and 660,223.40 is: 988,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,127.40 : 1,617,080.70 = 660,223.40 : x
  2. Step 2: Convert to fraction form
    1,080,127.40/1,617,080.70 = 660,223.40/x
  3. Step 3: Cross multiply
    1,080,127.40x = 1,617,080.70 × 660,223.40
  4. Step 4: Simplify right side
    1,080,127.40x = 1,067,634,517,828.38
  5. Step 5: Solve for x
    x = 1,067,634,517,828.38/1,080,127.40
  6. Step 6: Final answer
    x = 988,433.88

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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.