Home / 989,741.80-1,365,859.56-537,032.80

Finding the Fourth Proportional to 989,741.80, 1,365,859.56 and 537,032.80

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Solution

The fourth proportional to 989,741.80, 1,365,859.56 and 537,032.80 is: 741,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,741.80 : 1,365,859.56 = 537,032.80 : x
  2. Step 2: Convert to fraction form
    989,741.80/1,365,859.56 = 537,032.80/x
  3. Step 3: Cross multiply
    989,741.80x = 1,365,859.56 × 537,032.80
  4. Step 4: Simplify right side
    989,741.80x = 733,511,383,913.57
  5. Step 5: Solve for x
    x = 733,511,383,913.57/989,741.80
  6. Step 6: Final answer
    x = 741,113.88

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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.