Home / 1,571,769.20-2,169,012.12-874,092.80

Finding the Fourth Proportional to 1,571,769.20, 2,169,012.12 and 874,092.80

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Solution

The fourth proportional to 1,571,769.20, 2,169,012.12 and 874,092.80 is: 1,206,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,769.20 : 2,169,012.12 = 874,092.80 : x
  2. Step 2: Convert to fraction form
    1,571,769.20/2,169,012.12 = 874,092.80/x
  3. Step 3: Cross multiply
    1,571,769.20x = 2,169,012.12 × 874,092.80
  4. Step 4: Simplify right side
    1,571,769.20x = 1,895,917,877,204.74
  5. Step 5: Solve for x
    x = 1,895,917,877,204.74/1,571,769.20
  6. Step 6: Final answer
    x = 1,206,231.73

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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.