Home / 1,218,531.61-1,681,626.17-674,667.41

Finding the Fourth Proportional to 1,218,531.61, 1,681,626.17 and 674,667.41

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Solution

The fourth proportional to 1,218,531.61, 1,681,626.17 and 674,667.41 is: 931,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,531.61 : 1,681,626.17 = 674,667.41 : x
  2. Step 2: Convert to fraction form
    1,218,531.61/1,681,626.17 = 674,667.41/x
  3. Step 3: Cross multiply
    1,218,531.61x = 1,681,626.17 × 674,667.41
  4. Step 4: Simplify right side
    1,218,531.61x = 1,134,538,365,980.66
  5. Step 5: Solve for x
    x = 1,134,538,365,980.66/1,218,531.61
  6. Step 6: Final answer
    x = 931,070.12

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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.