Home / 1,008,147.60-1,512,221.40-908,420.40

Finding the Fourth Proportional to 1,008,147.60, 1,512,221.40 and 908,420.40

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Solution

The fourth proportional to 1,008,147.60, 1,512,221.40 and 908,420.40 is: 1,362,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,147.60 : 1,512,221.40 = 908,420.40 : x
  2. Step 2: Convert to fraction form
    1,008,147.60/1,512,221.40 = 908,420.40/x
  3. Step 3: Cross multiply
    1,008,147.60x = 1,512,221.40 × 908,420.40
  4. Step 4: Simplify right side
    1,008,147.60x = 1,373,732,769,076.56
  5. Step 5: Solve for x
    x = 1,373,732,769,076.56/1,008,147.60
  6. Step 6: Final answer
    x = 1,362,630.60

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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.