Home / 1,081,982.32-1,492,029.85-719,465.20

Finding the Fourth Proportional to 1,081,982.32, 1,492,029.85 and 719,465.20

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Solution

The fourth proportional to 1,081,982.32, 1,492,029.85 and 719,465.20 is: 992,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,982.32 : 1,492,029.85 = 719,465.20 : x
  2. Step 2: Convert to fraction form
    1,081,982.32/1,492,029.85 = 719,465.20/x
  3. Step 3: Cross multiply
    1,081,982.32x = 1,492,029.85 × 719,465.20
  4. Step 4: Simplify right side
    1,081,982.32x = 1,073,463,554,436.22
  5. Step 5: Solve for x
    x = 1,073,463,554,436.22/1,081,982.32
  6. Step 6: Final answer
    x = 992,126.71

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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.