Home / 1,214,257.29-1,675,677.47-670,394.13

Finding the Fourth Proportional to 1,214,257.29, 1,675,677.47 and 670,394.13

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Solution

The fourth proportional to 1,214,257.29, 1,675,677.47 and 670,394.13 is: 925,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,257.29 : 1,675,677.47 = 670,394.13 : x
  2. Step 2: Convert to fraction form
    1,214,257.29/1,675,677.47 = 670,394.13/x
  3. Step 3: Cross multiply
    1,214,257.29x = 1,675,677.47 × 670,394.13
  4. Step 4: Simplify right side
    1,214,257.29x = 1,123,364,336,309.28
  5. Step 5: Solve for x
    x = 1,123,364,336,309.28/1,214,257.29
  6. Step 6: Final answer
    x = 925,145.23

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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.