Home / 1,344,125.20-2,016,144.60-445,608.40

Finding the Fourth Proportional to 1,344,125.20, 2,016,144.60 and 445,608.40

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Solution

The fourth proportional to 1,344,125.20, 2,016,144.60 and 445,608.40 is: 668,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,125.20 : 2,016,144.60 = 445,608.40 : x
  2. Step 2: Convert to fraction form
    1,344,125.20/2,016,144.60 = 445,608.40/x
  3. Step 3: Cross multiply
    1,344,125.20x = 2,016,144.60 × 445,608.40
  4. Step 4: Simplify right side
    1,344,125.20x = 898,410,969,374.64
  5. Step 5: Solve for x
    x = 898,410,969,374.64/1,344,125.20
  6. Step 6: Final answer
    x = 668,398.28

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1.5x scale

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.