Home / 1,273,049.42-1,756,854.39-729,290.30

Finding the Fourth Proportional to 1,273,049.42, 1,756,854.39 and 729,290.30

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Solution

The fourth proportional to 1,273,049.42, 1,756,854.39 and 729,290.30 is: 1,006,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,049.42 : 1,756,854.39 = 729,290.30 : x
  2. Step 2: Convert to fraction form
    1,273,049.42/1,756,854.39 = 729,290.30/x
  3. Step 3: Cross multiply
    1,273,049.42x = 1,756,854.39 × 729,290.30
  4. Step 4: Simplify right side
    1,273,049.42x = 1,281,256,865,139.42
  5. Step 5: Solve for x
    x = 1,281,256,865,139.42/1,273,049.42
  6. Step 6: Final answer
    x = 1,006,447.08

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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.