Home / 1,486,903.50-2,231,476.92-688,745.04

Finding the Fourth Proportional to 1,486,903.50, 2,231,476.92 and 688,745.04

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Solution

The fourth proportional to 1,486,903.50, 2,231,476.92 and 688,745.04 is: 1,033,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,903.50 : 2,231,476.92 = 688,745.04 : x
  2. Step 2: Convert to fraction form
    1,486,903.50/2,231,476.92 = 688,745.04/x
  3. Step 3: Cross multiply
    1,486,903.50x = 2,231,476.92 × 688,745.04
  4. Step 4: Simplify right side
    1,486,903.50x = 1,536,918,660,524.48
  5. Step 5: Solve for x
    x = 1,536,918,660,524.48/1,486,903.50
  6. Step 6: Final answer
    x = 1,033,637.13

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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.