Home / 1,322,540.20-1,825,123.62-718,941.16

Finding the Fourth Proportional to 1,322,540.20, 1,825,123.62 and 718,941.16

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Solution

The fourth proportional to 1,322,540.20, 1,825,123.62 and 718,941.16 is: 992,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,540.20 : 1,825,123.62 = 718,941.16 : x
  2. Step 2: Convert to fraction form
    1,322,540.20/1,825,123.62 = 718,941.16/x
  3. Step 3: Cross multiply
    1,322,540.20x = 1,825,123.62 × 718,941.16
  4. Step 4: Simplify right side
    1,322,540.20x = 1,312,156,492,506.20
  5. Step 5: Solve for x
    x = 1,312,156,492,506.20/1,322,540.20
  6. Step 6: Final answer
    x = 992,148.66

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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.