Home / 1,534,721.72-2,301,689.74-454,981.78

Finding the Fourth Proportional to 1,534,721.72, 2,301,689.74 and 454,981.78

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Solution

The fourth proportional to 1,534,721.72, 2,301,689.74 and 454,981.78 is: 682,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,721.72 : 2,301,689.74 = 454,981.78 : x
  2. Step 2: Convert to fraction form
    1,534,721.72/2,301,689.74 = 454,981.78/x
  3. Step 3: Cross multiply
    1,534,721.72x = 2,301,689.74 × 454,981.78
  4. Step 4: Simplify right side
    1,534,721.72x = 1,047,226,894,912.94
  5. Step 5: Solve for x
    x = 1,047,226,894,912.94/1,534,721.72
  6. Step 6: Final answer
    x = 682,356.21

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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.