Home / 1,447,126.50-1,997,034.57-802,645.38

Finding the Fourth Proportional to 1,447,126.50, 1,997,034.57 and 802,645.38

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Solution

The fourth proportional to 1,447,126.50, 1,997,034.57 and 802,645.38 is: 1,107,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,126.50 : 1,997,034.57 = 802,645.38 : x
  2. Step 2: Convert to fraction form
    1,447,126.50/1,997,034.57 = 802,645.38/x
  3. Step 3: Cross multiply
    1,447,126.50x = 1,997,034.57 × 802,645.38
  4. Step 4: Simplify right side
    1,447,126.50x = 1,602,910,571,310.79
  5. Step 5: Solve for x
    x = 1,602,910,571,310.79/1,447,126.50
  6. Step 6: Final answer
    x = 1,107,650.62

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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.