Home / 1,343,067.92-1,853,430.30-739,455.92

Finding the Fourth Proportional to 1,343,067.92, 1,853,430.30 and 739,455.92

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Solution

The fourth proportional to 1,343,067.92, 1,853,430.30 and 739,455.92 is: 1,020,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,067.92 : 1,853,430.30 = 739,455.92 : x
  2. Step 2: Convert to fraction form
    1,343,067.92/1,853,430.30 = 739,455.92/x
  3. Step 3: Cross multiply
    1,343,067.92x = 1,853,430.30 × 739,455.92
  4. Step 4: Simplify right side
    1,343,067.92x = 1,370,530,007,642.38
  5. Step 5: Solve for x
    x = 1,370,530,007,642.38/1,343,067.92
  6. Step 6: Final answer
    x = 1,020,447.28

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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.