Home / 1,328,687.42-1,992,065.60-529,729.34

Finding the Fourth Proportional to 1,328,687.42, 1,992,065.60 and 529,729.34

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Solution

The fourth proportional to 1,328,687.42, 1,992,065.60 and 529,729.34 is: 794,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,687.42 : 1,992,065.60 = 529,729.34 : x
  2. Step 2: Convert to fraction form
    1,328,687.42/1,992,065.60 = 529,729.34/x
  3. Step 3: Cross multiply
    1,328,687.42x = 1,992,065.60 × 529,729.34
  4. Step 4: Simplify right side
    1,328,687.42x = 1,055,255,586,888.70
  5. Step 5: Solve for x
    x = 1,055,255,586,888.70/1,328,687.42
  6. Step 6: Final answer
    x = 794,209.06

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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.