Home / 881,208.30-1,321,812.45-765,734.70

Finding the Fourth Proportional to 881,208.30, 1,321,812.45 and 765,734.70

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Solution

The fourth proportional to 881,208.30, 1,321,812.45 and 765,734.70 is: 1,148,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,208.30 : 1,321,812.45 = 765,734.70 : x
  2. Step 2: Convert to fraction form
    881,208.30/1,321,812.45 = 765,734.70/x
  3. Step 3: Cross multiply
    881,208.30x = 1,321,812.45 × 765,734.70
  4. Step 4: Simplify right side
    881,208.30x = 1,012,157,659,857.01
  5. Step 5: Solve for x
    x = 1,012,157,659,857.01/881,208.30
  6. Step 6: Final answer
    x = 1,148,602.05

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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.