Home / 1,273,421.11-1,757,570.67-729,920.83

Finding the Fourth Proportional to 1,273,421.11, 1,757,570.67 and 729,920.83

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Solution

The fourth proportional to 1,273,421.11, 1,757,570.67 and 729,920.83 is: 1,007,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,421.11 : 1,757,570.67 = 729,920.83 : x
  2. Step 2: Convert to fraction form
    1,273,421.11/1,757,570.67 = 729,920.83/x
  3. Step 3: Cross multiply
    1,273,421.11x = 1,757,570.67 × 729,920.83
  4. Step 4: Simplify right side
    1,273,421.11x = 1,282,887,442,230.06
  5. Step 5: Solve for x
    x = 1,282,887,442,230.06/1,273,421.11
  6. Step 6: Final answer
    x = 1,007,433.78

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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.