Home / 1,174,286.18-1,620,487.46-690,882.43

Finding the Fourth Proportional to 1,174,286.18, 1,620,487.46 and 690,882.43

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Solution

The fourth proportional to 1,174,286.18, 1,620,487.46 and 690,882.43 is: 953,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,286.18 : 1,620,487.46 = 690,882.43 : x
  2. Step 2: Convert to fraction form
    1,174,286.18/1,620,487.46 = 690,882.43/x
  3. Step 3: Cross multiply
    1,174,286.18x = 1,620,487.46 × 690,882.43
  4. Step 4: Simplify right side
    1,174,286.18x = 1,119,566,311,825.32
  5. Step 5: Solve for x
    x = 1,119,566,311,825.32/1,174,286.18
  6. Step 6: Final answer
    x = 953,401.59

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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.