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Finding the Fourth Proportional to 880,764.60, 1,235,869.80 and 880,764.60

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Solution

The fourth proportional to 880,764.60, 1,235,869.80 and 880,764.60 is: 1,235,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,764.60 : 1,235,869.80 = 880,764.60 : x
  2. Step 2: Convert to fraction form
    880,764.60/1,235,869.80 = 880,764.60/x
  3. Step 3: Cross multiply
    880,764.60x = 1,235,869.80 × 880,764.60
  4. Step 4: Simplify right side
    880,764.60x = 1,088,510,370,049.08
  5. Step 5: Solve for x
    x = 1,088,510,370,049.08/880,764.60
  6. Step 6: Final answer
    x = 1,235,869.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.