Home / 4,278,689.89-6,417,985.25-1,040,245.90

Finding the Fourth Proportional to 4,278,689.89, 6,417,985.25 and 1,040,245.90

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Solution

The fourth proportional to 4,278,689.89, 6,417,985.25 and 1,040,245.90 is: 1,560,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,689.89 : 6,417,985.25 = 1,040,245.90 : x
  2. Step 2: Convert to fraction form
    4,278,689.89/6,417,985.25 = 1,040,245.90/x
  3. Step 3: Cross multiply
    4,278,689.89x = 6,417,985.25 × 1,040,245.90
  4. Step 4: Simplify right side
    4,278,689.89x = 6,676,282,837,371.75
  5. Step 5: Solve for x
    x = 6,676,282,837,371.75/4,278,689.89
  6. Step 6: Final answer
    x = 1,560,356.79

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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.