Home / 1,330,597.80-1,995,459.30-489,040.20

Finding the Fourth Proportional to 1,330,597.80, 1,995,459.30 and 489,040.20

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Solution

The fourth proportional to 1,330,597.80, 1,995,459.30 and 489,040.20 is: 733,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,597.80 : 1,995,459.30 = 489,040.20 : x
  2. Step 2: Convert to fraction form
    1,330,597.80/1,995,459.30 = 489,040.20/x
  3. Step 3: Cross multiply
    1,330,597.80x = 1,995,459.30 × 489,040.20
  4. Step 4: Simplify right side
    1,330,597.80x = 975,859,815,163.86
  5. Step 5: Solve for x
    x = 975,859,815,163.86/1,330,597.80
  6. Step 6: Final answer
    x = 733,399.54

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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.