Home / 989,751.38-1,365,856.90-537,042.38

Finding the Fourth Proportional to 989,751.38, 1,365,856.90 and 537,042.38

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Solution

The fourth proportional to 989,751.38, 1,365,856.90 and 537,042.38 is: 741,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,751.38 : 1,365,856.90 = 537,042.38 : x
  2. Step 2: Convert to fraction form
    989,751.38/1,365,856.90 = 537,042.38/x
  3. Step 3: Cross multiply
    989,751.38x = 1,365,856.90 × 537,042.38
  4. Step 4: Simplify right side
    989,751.38x = 733,523,032,143.53
  5. Step 5: Solve for x
    x = 733,523,032,143.53/989,751.38
  6. Step 6: Final answer
    x = 741,118.48

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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.