Home / 1,343,625.70-2,015,438.55-445,206.10

Finding the Fourth Proportional to 1,343,625.70, 2,015,438.55 and 445,206.10

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Solution

The fourth proportional to 1,343,625.70, 2,015,438.55 and 445,206.10 is: 667,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,625.70 : 2,015,438.55 = 445,206.10 : x
  2. Step 2: Convert to fraction form
    1,343,625.70/2,015,438.55 = 445,206.10/x
  3. Step 3: Cross multiply
    1,343,625.70x = 2,015,438.55 × 445,206.10
  4. Step 4: Simplify right side
    1,343,625.70x = 897,285,536,635.16
  5. Step 5: Solve for x
    x = 897,285,536,635.16/1,343,625.70
  6. Step 6: Final answer
    x = 667,809.15

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Similar ratio
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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.