Home / 862,584.40-1,293,876.60-838,008.40

Finding the Fourth Proportional to 862,584.40, 1,293,876.60 and 838,008.40

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Solution

The fourth proportional to 862,584.40, 1,293,876.60 and 838,008.40 is: 1,257,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,584.40 : 1,293,876.60 = 838,008.40 : x
  2. Step 2: Convert to fraction form
    862,584.40/1,293,876.60 = 838,008.40/x
  3. Step 3: Cross multiply
    862,584.40x = 1,293,876.60 × 838,008.40
  4. Step 4: Simplify right side
    862,584.40x = 1,084,279,459,363.44
  5. Step 5: Solve for x
    x = 1,084,279,459,363.44/862,584.40
  6. Step 6: Final answer
    x = 1,257,012.60

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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.