Home / 1,023,860.25-1,534,594.55-770,326.20

Finding the Fourth Proportional to 1,023,860.25, 1,534,594.55 and 770,326.20

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Solution

The fourth proportional to 1,023,860.25, 1,534,594.55 and 770,326.20 is: 1,154,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,860.25 : 1,534,594.55 = 770,326.20 : x
  2. Step 2: Convert to fraction form
    1,023,860.25/1,534,594.55 = 770,326.20/x
  3. Step 3: Cross multiply
    1,023,860.25x = 1,534,594.55 × 770,326.20
  4. Step 4: Simplify right side
    1,023,860.25x = 1,182,138,384,390.58
  5. Step 5: Solve for x
    x = 1,182,138,384,390.58/1,023,860.25
  6. Step 6: Final answer
    x = 1,154,589.59

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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.