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Finding the Fourth Proportional to 880,832.30, 1,321,248.45 and 880,832.30

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Solution

The fourth proportional to 880,832.30, 1,321,248.45 and 880,832.30 is: 1,321,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,832.30 : 1,321,248.45 = 880,832.30 : x
  2. Step 2: Convert to fraction form
    880,832.30/1,321,248.45 = 880,832.30/x
  3. Step 3: Cross multiply
    880,832.30x = 1,321,248.45 × 880,832.30
  4. Step 4: Simplify right side
    880,832.30x = 1,163,798,311,084.94
  5. Step 5: Solve for x
    x = 1,163,798,311,084.94/880,832.30
  6. Step 6: Final answer
    x = 1,321,248.45

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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.