Home / 1,174,218.40-1,620,806.16-690,758.56

Finding the Fourth Proportional to 1,174,218.40, 1,620,806.16 and 690,758.56

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Solution

The fourth proportional to 1,174,218.40, 1,620,806.16 and 690,758.56 is: 953,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,218.40 : 1,620,806.16 = 690,758.56 : x
  2. Step 2: Convert to fraction form
    1,174,218.40/1,620,806.16 = 690,758.56/x
  3. Step 3: Cross multiply
    1,174,218.40x = 1,620,806.16 × 690,758.56
  4. Step 4: Simplify right side
    1,174,218.40x = 1,119,585,729,120.73
  5. Step 5: Solve for x
    x = 1,119,585,729,120.73/1,174,218.40
  6. Step 6: Final answer
    x = 953,473.16

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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.