Home / 1,088,652.80-1,632,201.60-489,123.20

Finding the Fourth Proportional to 1,088,652.80, 1,632,201.60 and 489,123.20

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Solution

The fourth proportional to 1,088,652.80, 1,632,201.60 and 489,123.20 is: 733,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,652.80 : 1,632,201.60 = 489,123.20 : x
  2. Step 2: Convert to fraction form
    1,088,652.80/1,632,201.60 = 489,123.20/x
  3. Step 3: Cross multiply
    1,088,652.80x = 1,632,201.60 × 489,123.20
  4. Step 4: Simplify right side
    1,088,652.80x = 798,347,669,637.12
  5. Step 5: Solve for x
    x = 798,347,669,637.12/1,088,652.80
  6. Step 6: Final answer
    x = 733,335.43

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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.