Home / 1,126,113.53-1,554,191.28-690,453.81

Finding the Fourth Proportional to 1,126,113.53, 1,554,191.28 and 690,453.81

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Solution

The fourth proportional to 1,126,113.53, 1,554,191.28 and 690,453.81 is: 952,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,113.53 : 1,554,191.28 = 690,453.81 : x
  2. Step 2: Convert to fraction form
    1,126,113.53/1,554,191.28 = 690,453.81/x
  3. Step 3: Cross multiply
    1,126,113.53x = 1,554,191.28 × 690,453.81
  4. Step 4: Simplify right side
    1,126,113.53x = 1,073,097,290,744.78
  5. Step 5: Solve for x
    x = 1,073,097,290,744.78/1,126,113.53
  6. Step 6: Final answer
    x = 952,921.06

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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.