Home / 871,230.60-1,306,845.90-847,902.60

Finding the Fourth Proportional to 871,230.60, 1,306,845.90 and 847,902.60

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Solution

The fourth proportional to 871,230.60, 1,306,845.90 and 847,902.60 is: 1,271,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,230.60 : 1,306,845.90 = 847,902.60 : x
  2. Step 2: Convert to fraction form
    871,230.60/1,306,845.90 = 847,902.60/x
  3. Step 3: Cross multiply
    871,230.60x = 1,306,845.90 × 847,902.60
  4. Step 4: Simplify right side
    871,230.60x = 1,108,078,036,409.34
  5. Step 5: Solve for x
    x = 1,108,078,036,409.34/871,230.60
  6. Step 6: Final answer
    x = 1,271,853.90

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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.