Home / 1,012,131.38-1,518,446.13-713,195.81

Finding the Fourth Proportional to 1,012,131.38, 1,518,446.13 and 713,195.81

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Solution

The fourth proportional to 1,012,131.38, 1,518,446.13 and 713,195.81 is: 1,069,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,131.38 : 1,518,446.13 = 713,195.81 : x
  2. Step 2: Convert to fraction form
    1,012,131.38/1,518,446.13 = 713,195.81/x
  3. Step 3: Cross multiply
    1,012,131.38x = 1,518,446.13 × 713,195.81
  4. Step 4: Simplify right side
    1,012,131.38x = 1,082,949,417,626.72
  5. Step 5: Solve for x
    x = 1,082,949,417,626.72/1,012,131.38
  6. Step 6: Final answer
    x = 1,069,969.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.