Home / 1,149,018.46-1,585,924.79-665,505.56

Finding the Fourth Proportional to 1,149,018.46, 1,585,924.79 and 665,505.56

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Solution

The fourth proportional to 1,149,018.46, 1,585,924.79 and 665,505.56 is: 918,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,018.46 : 1,585,924.79 = 665,505.56 : x
  2. Step 2: Convert to fraction form
    1,149,018.46/1,585,924.79 = 665,505.56/x
  3. Step 3: Cross multiply
    1,149,018.46x = 1,585,924.79 × 665,505.56
  4. Step 4: Simplify right side
    1,149,018.46x = 1,055,441,766,124.12
  5. Step 5: Solve for x
    x = 1,055,441,766,124.12/1,149,018.46
  6. Step 6: Final answer
    x = 918,559.45

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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.