Home / 1,040,375.16-1,435,142.88-846,990.90

Finding the Fourth Proportional to 1,040,375.16, 1,435,142.88 and 846,990.90

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Solution

The fourth proportional to 1,040,375.16, 1,435,142.88 and 846,990.90 is: 1,168,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,375.16 : 1,435,142.88 = 846,990.90 : x
  2. Step 2: Convert to fraction form
    1,040,375.16/1,435,142.88 = 846,990.90/x
  3. Step 3: Cross multiply
    1,040,375.16x = 1,435,142.88 × 846,990.90
  4. Step 4: Simplify right side
    1,040,375.16x = 1,215,552,959,559.79
  5. Step 5: Solve for x
    x = 1,215,552,959,559.79/1,040,375.16
  6. Step 6: Final answer
    x = 1,168,379.45

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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.