Home / 1,770,772.32-2,654,580.60-648,578.88

Finding the Fourth Proportional to 1,770,772.32, 2,654,580.60 and 648,578.88

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Solution

The fourth proportional to 1,770,772.32, 2,654,580.60 and 648,578.88 is: 972,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,772.32 : 2,654,580.60 = 648,578.88 : x
  2. Step 2: Convert to fraction form
    1,770,772.32/2,654,580.60 = 648,578.88/x
  3. Step 3: Cross multiply
    1,770,772.32x = 2,654,580.60 × 648,578.88
  4. Step 4: Simplify right side
    1,770,772.32x = 1,721,704,912,417.73
  5. Step 5: Solve for x
    x = 1,721,704,912,417.73/1,770,772.32
  6. Step 6: Final answer
    x = 972,290.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.