Home / 1,315,082.03-1,972,642.55-368,392.91

Finding the Fourth Proportional to 1,315,082.03, 1,972,642.55 and 368,392.91

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Solution

The fourth proportional to 1,315,082.03, 1,972,642.55 and 368,392.91 is: 552,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,082.03 : 1,972,642.55 = 368,392.91 : x
  2. Step 2: Convert to fraction form
    1,315,082.03/1,972,642.55 = 368,392.91/x
  3. Step 3: Cross multiply
    1,315,082.03x = 1,972,642.55 × 368,392.91
  4. Step 4: Simplify right side
    1,315,082.03x = 726,707,517,679.14
  5. Step 5: Solve for x
    x = 726,707,517,679.14/1,315,082.03
  6. Step 6: Final answer
    x = 552,594.82

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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.