Home / 1,143,983.68-1,578,683.37-660,538.24

Finding the Fourth Proportional to 1,143,983.68, 1,578,683.37 and 660,538.24

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Solution

The fourth proportional to 1,143,983.68, 1,578,683.37 and 660,538.24 is: 911,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,983.68 : 1,578,683.37 = 660,538.24 : x
  2. Step 2: Convert to fraction form
    1,143,983.68/1,578,683.37 = 660,538.24/x
  3. Step 3: Cross multiply
    1,143,983.68x = 1,578,683.37 × 660,538.24
  4. Step 4: Simplify right side
    1,143,983.68x = 1,042,780,734,737.07
  5. Step 5: Solve for x
    x = 1,042,780,734,737.07/1,143,983.68
  6. Step 6: Final answer
    x = 911,534.62

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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.