Home / 1,218,167.29-1,681,050.51-674,291.41

Finding the Fourth Proportional to 1,218,167.29, 1,681,050.51 and 674,291.41

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Solution

The fourth proportional to 1,218,167.29, 1,681,050.51 and 674,291.41 is: 930,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,167.29 : 1,681,050.51 = 674,291.41 : x
  2. Step 2: Convert to fraction form
    1,218,167.29/1,681,050.51 = 674,291.41/x
  3. Step 3: Cross multiply
    1,218,167.29x = 1,681,050.51 × 674,291.41
  4. Step 4: Simplify right side
    1,218,167.29x = 1,133,517,918,669.12
  5. Step 5: Solve for x
    x = 1,133,517,918,669.12/1,218,167.29
  6. Step 6: Final answer
    x = 930,510.88

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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.