Home / 1,100,494.57-1,518,123.59-718,744.81

Finding the Fourth Proportional to 1,100,494.57, 1,518,123.59 and 718,744.81

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Solution

The fourth proportional to 1,100,494.57, 1,518,123.59 and 718,744.81 is: 991,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,494.57 : 1,518,123.59 = 718,744.81 : x
  2. Step 2: Convert to fraction form
    1,100,494.57/1,518,123.59 = 718,744.81/x
  3. Step 3: Cross multiply
    1,100,494.57x = 1,518,123.59 × 718,744.81
  4. Step 4: Simplify right side
    1,100,494.57x = 1,091,143,447,657.34
  5. Step 5: Solve for x
    x = 1,091,143,447,657.34/1,100,494.57
  6. Step 6: Final answer
    x = 991,502.80

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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.