Home / 1,151,998.62-1,589,759.10-642,701.16

Finding the Fourth Proportional to 1,151,998.62, 1,589,759.10 and 642,701.16

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Solution

The fourth proportional to 1,151,998.62, 1,589,759.10 and 642,701.16 is: 886,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,998.62 : 1,589,759.10 = 642,701.16 : x
  2. Step 2: Convert to fraction form
    1,151,998.62/1,589,759.10 = 642,701.16/x
  3. Step 3: Cross multiply
    1,151,998.62x = 1,589,759.10 × 642,701.16
  4. Step 4: Simplify right side
    1,151,998.62x = 1,021,740,017,690.56
  5. Step 5: Solve for x
    x = 1,021,740,017,690.56/1,151,998.62
  6. Step 6: Final answer
    x = 886,928.16

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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.