Home / 1,174,654.40-1,761,981.60-820,360.40

Finding the Fourth Proportional to 1,174,654.40, 1,761,981.60 and 820,360.40

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Solution

The fourth proportional to 1,174,654.40, 1,761,981.60 and 820,360.40 is: 1,230,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,654.40 : 1,761,981.60 = 820,360.40 : x
  2. Step 2: Convert to fraction form
    1,174,654.40/1,761,981.60 = 820,360.40/x
  3. Step 3: Cross multiply
    1,174,654.40x = 1,761,981.60 × 820,360.40
  4. Step 4: Simplify right side
    1,174,654.40x = 1,445,459,930,168.64
  5. Step 5: Solve for x
    x = 1,445,459,930,168.64/1,174,654.40
  6. Step 6: Final answer
    x = 1,230,540.60

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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.