Home / 1,149,222.56-1,585,686.53-665,758.87

Finding the Fourth Proportional to 1,149,222.56, 1,585,686.53 and 665,758.87

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Solution

The fourth proportional to 1,149,222.56, 1,585,686.53 and 665,758.87 is: 918,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,222.56 : 1,585,686.53 = 665,758.87 : x
  2. Step 2: Convert to fraction form
    1,149,222.56/1,585,686.53 = 665,758.87/x
  3. Step 3: Cross multiply
    1,149,222.56x = 1,585,686.53 × 665,758.87
  4. Step 4: Simplify right side
    1,149,222.56x = 1,055,684,870,087.20
  5. Step 5: Solve for x
    x = 1,055,684,870,087.20/1,149,222.56
  6. Step 6: Final answer
    x = 918,607.86

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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.