Home / 972,016.80-1,458,025.20-769,063.20

Finding the Fourth Proportional to 972,016.80, 1,458,025.20 and 769,063.20

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Solution

The fourth proportional to 972,016.80, 1,458,025.20 and 769,063.20 is: 1,153,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,016.80 : 1,458,025.20 = 769,063.20 : x
  2. Step 2: Convert to fraction form
    972,016.80/1,458,025.20 = 769,063.20/x
  3. Step 3: Cross multiply
    972,016.80x = 1,458,025.20 × 769,063.20
  4. Step 4: Simplify right side
    972,016.80x = 1,121,313,525,992.64
  5. Step 5: Solve for x
    x = 1,121,313,525,992.64/972,016.80
  6. Step 6: Final answer
    x = 1,153,594.80

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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.