Home / 1,008,375.60-1,512,563.40-476,934.60

Finding the Fourth Proportional to 1,008,375.60, 1,512,563.40 and 476,934.60

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Solution

The fourth proportional to 1,008,375.60, 1,512,563.40 and 476,934.60 is: 715,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,375.60 : 1,512,563.40 = 476,934.60 : x
  2. Step 2: Convert to fraction form
    1,008,375.60/1,512,563.40 = 476,934.60/x
  3. Step 3: Cross multiply
    1,008,375.60x = 1,512,563.40 × 476,934.60
  4. Step 4: Simplify right side
    1,008,375.60x = 721,393,820,153.64
  5. Step 5: Solve for x
    x = 721,393,820,153.64/1,008,375.60
  6. Step 6: Final answer
    x = 715,401.90

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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.