Home / 1,371,020.28-1,895,619.68-1,200,766.38

Finding the Fourth Proportional to 1,371,020.28, 1,895,619.68 and 1,200,766.38

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Solution

The fourth proportional to 1,371,020.28, 1,895,619.68 and 1,200,766.38 is: 1,660,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,020.28 : 1,895,619.68 = 1,200,766.38 : x
  2. Step 2: Convert to fraction form
    1,371,020.28/1,895,619.68 = 1,200,766.38/x
  3. Step 3: Cross multiply
    1,371,020.28x = 1,895,619.68 × 1,200,766.38
  4. Step 4: Simplify right side
    1,371,020.28x = 2,276,196,381,010.36
  5. Step 5: Solve for x
    x = 2,276,196,381,010.36/1,371,020.28
  6. Step 6: Final answer
    x = 1,660,220.80

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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.