Home / 980,187.60-1,468,337.40-863,288.40

Finding the Fourth Proportional to 980,187.60, 1,468,337.40 and 863,288.40

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Solution

The fourth proportional to 980,187.60, 1,468,337.40 and 863,288.40 is: 1,293,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,187.60 : 1,468,337.40 = 863,288.40 : x
  2. Step 2: Convert to fraction form
    980,187.60/1,468,337.40 = 863,288.40/x
  3. Step 3: Cross multiply
    980,187.60x = 1,468,337.40 × 863,288.40
  4. Step 4: Simplify right side
    980,187.60x = 1,267,598,644,706.16
  5. Step 5: Solve for x
    x = 1,267,598,644,706.16/980,187.60
  6. Step 6: Final answer
    x = 1,293,220.45

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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.