Home / 1,280,198.26-1,766,709.24-707,275.36

Finding the Fourth Proportional to 1,280,198.26, 1,766,709.24 and 707,275.36

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Solution

The fourth proportional to 1,280,198.26, 1,766,709.24 and 707,275.36 is: 976,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,198.26 : 1,766,709.24 = 707,275.36 : x
  2. Step 2: Convert to fraction form
    1,280,198.26/1,766,709.24 = 707,275.36/x
  3. Step 3: Cross multiply
    1,280,198.26x = 1,766,709.24 × 707,275.36
  4. Step 4: Simplify right side
    1,280,198.26x = 1,249,549,904,902.78
  5. Step 5: Solve for x
    x = 1,249,549,904,902.78/1,280,198.26
  6. Step 6: Final answer
    x = 976,059.68

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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.