Home / 1,412,391.02-1,947,270.14-914,789.60

Finding the Fourth Proportional to 1,412,391.02, 1,947,270.14 and 914,789.60

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Solution

The fourth proportional to 1,412,391.02, 1,947,270.14 and 914,789.60 is: 1,261,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,391.02 : 1,947,270.14 = 914,789.60 : x
  2. Step 2: Convert to fraction form
    1,412,391.02/1,947,270.14 = 914,789.60/x
  3. Step 3: Cross multiply
    1,412,391.02x = 1,947,270.14 × 914,789.60
  4. Step 4: Simplify right side
    1,412,391.02x = 1,781,342,472,462.54
  5. Step 5: Solve for x
    x = 1,781,342,472,462.54/1,412,391.02
  6. Step 6: Final answer
    x = 1,261,224.72

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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.