Home / 901,445.25-1,352,829.45-726,069.72

Finding the Fourth Proportional to 901,445.25, 1,352,829.45 and 726,069.72

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Solution

The fourth proportional to 901,445.25, 1,352,829.45 and 726,069.72 is: 1,089,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,445.25 : 1,352,829.45 = 726,069.72 : x
  2. Step 2: Convert to fraction form
    901,445.25/1,352,829.45 = 726,069.72/x
  3. Step 3: Cross multiply
    901,445.25x = 1,352,829.45 × 726,069.72
  4. Step 4: Simplify right side
    901,445.25x = 982,248,503,680.98
  5. Step 5: Solve for x
    x = 982,248,503,680.98/901,445.25
  6. Step 6: Final answer
    x = 1,089,637.45

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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.