Home / 989,841.20-1,484,761.80-741,009.20

Finding the Fourth Proportional to 989,841.20, 1,484,761.80 and 741,009.20

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Solution

The fourth proportional to 989,841.20, 1,484,761.80 and 741,009.20 is: 1,111,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,841.20 : 1,484,761.80 = 741,009.20 : x
  2. Step 2: Convert to fraction form
    989,841.20/1,484,761.80 = 741,009.20/x
  3. Step 3: Cross multiply
    989,841.20x = 1,484,761.80 × 741,009.20
  4. Step 4: Simplify right side
    989,841.20x = 1,100,222,153,608.56
  5. Step 5: Solve for x
    x = 1,100,222,153,608.56/989,841.20
  6. Step 6: Final answer
    x = 1,111,513.80

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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.