Home / 1,409,333.32-2,113,611.18-398,375.56

Finding the Fourth Proportional to 1,409,333.32, 2,113,611.18 and 398,375.56

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Solution

The fourth proportional to 1,409,333.32, 2,113,611.18 and 398,375.56 is: 597,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,333.32 : 2,113,611.18 = 398,375.56 : x
  2. Step 2: Convert to fraction form
    1,409,333.32/2,113,611.18 = 398,375.56/x
  3. Step 3: Cross multiply
    1,409,333.32x = 2,113,611.18 × 398,375.56
  4. Step 4: Simplify right side
    1,409,333.32x = 842,011,037,454.76
  5. Step 5: Solve for x
    x = 842,011,037,454.76/1,409,333.32
  6. Step 6: Final answer
    x = 597,453.44

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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.