Home / 1,135,728.28-1,701,909.45-460,988.56

Finding the Fourth Proportional to 1,135,728.28, 1,701,909.45 and 460,988.56

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Solution

The fourth proportional to 1,135,728.28, 1,701,909.45 and 460,988.56 is: 690,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,728.28 : 1,701,909.45 = 460,988.56 : x
  2. Step 2: Convert to fraction form
    1,135,728.28/1,701,909.45 = 460,988.56/x
  3. Step 3: Cross multiply
    1,135,728.28x = 1,701,909.45 × 460,988.56
  4. Step 4: Simplify right side
    1,135,728.28x = 784,560,786,605.89
  5. Step 5: Solve for x
    x = 784,560,786,605.89/1,135,728.28
  6. Step 6: Final answer
    x = 690,799.73

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1.5x scale

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.