Home / 1,213,672.01-1,819,944.86-708,378.41

Finding the Fourth Proportional to 1,213,672.01, 1,819,944.86 and 708,378.41

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Solution

The fourth proportional to 1,213,672.01, 1,819,944.86 and 708,378.41 is: 1,062,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,672.01 : 1,819,944.86 = 708,378.41 : x
  2. Step 2: Convert to fraction form
    1,213,672.01/1,819,944.86 = 708,378.41/x
  3. Step 3: Cross multiply
    1,213,672.01x = 1,819,944.86 × 708,378.41
  4. Step 4: Simplify right side
    1,213,672.01x = 1,289,209,647,222.44
  5. Step 5: Solve for x
    x = 1,289,209,647,222.44/1,213,672.01
  6. Step 6: Final answer
    x = 1,062,238.93

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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.