Home / 1,061,970.68-1,591,999.52-387,578.79

Finding the Fourth Proportional to 1,061,970.68, 1,591,999.52 and 387,578.79

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Solution

The fourth proportional to 1,061,970.68, 1,591,999.52 and 387,578.79 is: 581,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,970.68 : 1,591,999.52 = 387,578.79 : x
  2. Step 2: Convert to fraction form
    1,061,970.68/1,591,999.52 = 387,578.79/x
  3. Step 3: Cross multiply
    1,061,970.68x = 1,591,999.52 × 387,578.79
  4. Step 4: Simplify right side
    1,061,970.68x = 617,025,245,704.29
  5. Step 5: Solve for x
    x = 617,025,245,704.29/1,061,970.68
  6. Step 6: Final answer
    x = 581,019.10

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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.