Home / 1,040,530.80-1,560,796.20-788,588.40

Finding the Fourth Proportional to 1,040,530.80, 1,560,796.20 and 788,588.40

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Solution

The fourth proportional to 1,040,530.80, 1,560,796.20 and 788,588.40 is: 1,182,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,530.80 : 1,560,796.20 = 788,588.40 : x
  2. Step 2: Convert to fraction form
    1,040,530.80/1,560,796.20 = 788,588.40/x
  3. Step 3: Cross multiply
    1,040,530.80x = 1,560,796.20 × 788,588.40
  4. Step 4: Simplify right side
    1,040,530.80x = 1,230,825,778,084.08
  5. Step 5: Solve for x
    x = 1,230,825,778,084.08/1,040,530.80
  6. Step 6: Final answer
    x = 1,182,882.60

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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.