Home / 1,261,224.95-1,740,527.39-688,301.96

Finding the Fourth Proportional to 1,261,224.95, 1,740,527.39 and 688,301.96

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Solution

The fourth proportional to 1,261,224.95, 1,740,527.39 and 688,301.96 is: 949,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,224.95 : 1,740,527.39 = 688,301.96 : x
  2. Step 2: Convert to fraction form
    1,261,224.95/1,740,527.39 = 688,301.96/x
  3. Step 3: Cross multiply
    1,261,224.95x = 1,740,527.39 × 688,301.96
  4. Step 4: Simplify right side
    1,261,224.95x = 1,198,008,406,988.80
  5. Step 5: Solve for x
    x = 1,198,008,406,988.80/1,261,224.95
  6. Step 6: Final answer
    x = 949,876.87

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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.