Home / 1,216,318.26-1,678,785.66-707,314.26

Finding the Fourth Proportional to 1,216,318.26, 1,678,785.66 and 707,314.26

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Solution

The fourth proportional to 1,216,318.26, 1,678,785.66 and 707,314.26 is: 976,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,318.26 : 1,678,785.66 = 707,314.26 : x
  2. Step 2: Convert to fraction form
    1,216,318.26/1,678,785.66 = 707,314.26/x
  3. Step 3: Cross multiply
    1,216,318.26x = 1,678,785.66 × 707,314.26
  4. Step 4: Simplify right side
    1,216,318.26x = 1,187,429,036,801.51
  5. Step 5: Solve for x
    x = 1,187,429,036,801.51/1,216,318.26
  6. Step 6: Final answer
    x = 976,248.63

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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.