Home / 1,375,815.40-2,063,723.10-1,039,892.20

Finding the Fourth Proportional to 1,375,815.40, 2,063,723.10 and 1,039,892.20

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Solution

The fourth proportional to 1,375,815.40, 2,063,723.10 and 1,039,892.20 is: 1,559,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,815.40 : 2,063,723.10 = 1,039,892.20 : x
  2. Step 2: Convert to fraction form
    1,375,815.40/2,063,723.10 = 1,039,892.20/x
  3. Step 3: Cross multiply
    1,375,815.40x = 2,063,723.10 × 1,039,892.20
  4. Step 4: Simplify right side
    1,375,815.40x = 2,146,049,554,649.82
  5. Step 5: Solve for x
    x = 2,146,049,554,649.82/1,375,815.40
  6. Step 6: Final answer
    x = 1,559,838.30

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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.