Home / 1,100,494.32-1,518,123.24-718,744.56

Finding the Fourth Proportional to 1,100,494.32, 1,518,123.24 and 718,744.56

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Solution

The fourth proportional to 1,100,494.32, 1,518,123.24 and 718,744.56 is: 991,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,494.32 : 1,518,123.24 = 718,744.56 : x
  2. Step 2: Convert to fraction form
    1,100,494.32/1,518,123.24 = 718,744.56/x
  3. Step 3: Cross multiply
    1,100,494.32x = 1,518,123.24 × 718,744.56
  4. Step 4: Simplify right side
    1,100,494.32x = 1,091,142,820,159.57
  5. Step 5: Solve for x
    x = 1,091,142,820,159.57/1,100,494.32
  6. Step 6: Final answer
    x = 991,502.46

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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.