Home / 1,052,420.16-1,452,472.80-690,148.80

Finding the Fourth Proportional to 1,052,420.16, 1,452,472.80 and 690,148.80

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Solution

The fourth proportional to 1,052,420.16, 1,452,472.80 and 690,148.80 is: 952,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,420.16 : 1,452,472.80 = 690,148.80 : x
  2. Step 2: Convert to fraction form
    1,052,420.16/1,452,472.80 = 690,148.80/x
  3. Step 3: Cross multiply
    1,052,420.16x = 1,452,472.80 × 690,148.80
  4. Step 4: Simplify right side
    1,052,420.16x = 1,002,422,359,952.64
  5. Step 5: Solve for x
    x = 1,002,422,359,952.64/1,052,420.16
  6. Step 6: Final answer
    x = 952,492.55

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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.