Home / 989,997.43-1,366,196.46-537,288.43

Finding the Fourth Proportional to 989,997.43, 1,366,196.46 and 537,288.43

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Solution

The fourth proportional to 989,997.43, 1,366,196.46 and 537,288.43 is: 741,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,997.43 : 1,366,196.46 = 537,288.43 : x
  2. Step 2: Convert to fraction form
    989,997.43/1,366,196.46 = 537,288.43/x
  3. Step 3: Cross multiply
    989,997.43x = 1,366,196.46 × 537,288.43
  4. Step 4: Simplify right side
    989,997.43x = 734,041,551,064.96
  5. Step 5: Solve for x
    x = 734,041,551,064.96/989,997.43
  6. Step 6: Final answer
    x = 741,458.04

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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.