Home / 989,866.13-1,366,015.25-537,157.13

Finding the Fourth Proportional to 989,866.13, 1,366,015.25 and 537,157.13

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Solution

The fourth proportional to 989,866.13, 1,366,015.25 and 537,157.13 is: 741,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,866.13 : 1,366,015.25 = 537,157.13 : x
  2. Step 2: Convert to fraction form
    989,866.13/1,366,015.25 = 537,157.13/x
  3. Step 3: Cross multiply
    989,866.13x = 1,366,015.25 × 537,157.13
  4. Step 4: Simplify right side
    989,866.13x = 733,764,825,739.05
  5. Step 5: Solve for x
    x = 733,764,825,739.05/989,866.13
  6. Step 6: Final answer
    x = 741,276.83

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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.