Home / 1,218,164.29-1,681,046.37-674,288.41

Finding the Fourth Proportional to 1,218,164.29, 1,681,046.37 and 674,288.41

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Solution

The fourth proportional to 1,218,164.29, 1,681,046.37 and 674,288.41 is: 930,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,164.29 : 1,681,046.37 = 674,288.41 : x
  2. Step 2: Convert to fraction form
    1,218,164.29/1,681,046.37 = 674,288.41/x
  3. Step 3: Cross multiply
    1,218,164.29x = 1,681,046.37 × 674,288.41
  4. Step 4: Simplify right side
    1,218,164.29x = 1,133,510,083,963.57
  5. Step 5: Solve for x
    x = 1,133,510,083,963.57/1,218,164.29
  6. Step 6: Final answer
    x = 930,506.74

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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.