Home / 1,280,954.26-1,767,653.31-707,979.70

Finding the Fourth Proportional to 1,280,954.26, 1,767,653.31 and 707,979.70

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Solution

The fourth proportional to 1,280,954.26, 1,767,653.31 and 707,979.70 is: 976,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,954.26 : 1,767,653.31 = 707,979.70 : x
  2. Step 2: Convert to fraction form
    1,280,954.26/1,767,653.31 = 707,979.70/x
  3. Step 3: Cross multiply
    1,280,954.26x = 1,767,653.31 × 707,979.70
  4. Step 4: Simplify right side
    1,280,954.26x = 1,251,462,660,117.81
  5. Step 5: Solve for x
    x = 1,251,462,660,117.81/1,280,954.26
  6. Step 6: Final answer
    x = 976,976.85

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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.