Home / 785,236.49-1,178,851.38-667,655.17

Finding the Fourth Proportional to 785,236.49, 1,178,851.38 and 667,655.17

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Solution

The fourth proportional to 785,236.49, 1,178,851.38 and 667,655.17 is: 1,002,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,236.49 : 1,178,851.38 = 667,655.17 : x
  2. Step 2: Convert to fraction form
    785,236.49/1,178,851.38 = 667,655.17/x
  3. Step 3: Cross multiply
    785,236.49x = 1,178,851.38 × 667,655.17
  4. Step 4: Simplify right side
    785,236.49x = 787,066,209,286.10
  5. Step 5: Solve for x
    x = 787,066,209,286.10/785,236.49
  6. Step 6: Final answer
    x = 1,002,330.16

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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.