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Finding the Fourth Proportional to 894,760.80, 1,341,266.40 and 800,282.40

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Solution

The fourth proportional to 894,760.80, 1,341,266.40 and 800,282.40 is: 1,199,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,760.80 : 1,341,266.40 = 800,282.40 : x
  2. Step 2: Convert to fraction form
    894,760.80/1,341,266.40 = 800,282.40/x
  3. Step 3: Cross multiply
    894,760.80x = 1,341,266.40 × 800,282.40
  4. Step 4: Simplify right side
    894,760.80x = 1,073,391,893,631.36
  5. Step 5: Solve for x
    x = 1,073,391,893,631.36/894,760.80
  6. Step 6: Final answer
    x = 1,199,641.17

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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.