Home / 2,287,487.76-3,431,256.26-690,064.70

Finding the Fourth Proportional to 2,287,487.76, 3,431,256.26 and 690,064.70

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Solution

The fourth proportional to 2,287,487.76, 3,431,256.26 and 690,064.70 is: 1,035,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,487.76 : 3,431,256.26 = 690,064.70 : x
  2. Step 2: Convert to fraction form
    2,287,487.76/3,431,256.26 = 690,064.70/x
  3. Step 3: Cross multiply
    2,287,487.76x = 3,431,256.26 × 690,064.70
  4. Step 4: Simplify right side
    2,287,487.76x = 2,367,788,821,680.02
  5. Step 5: Solve for x
    x = 2,367,788,821,680.02/2,287,487.76
  6. Step 6: Final answer
    x = 1,035,104.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.