Home / 1,203,500.56-1,660,850.40-659,688.52

Finding the Fourth Proportional to 1,203,500.56, 1,660,850.40 and 659,688.52

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Solution

The fourth proportional to 1,203,500.56, 1,660,850.40 and 659,688.52 is: 910,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,500.56 : 1,660,850.40 = 659,688.52 : x
  2. Step 2: Convert to fraction form
    1,203,500.56/1,660,850.40 = 659,688.52/x
  3. Step 3: Cross multiply
    1,203,500.56x = 1,660,850.40 × 659,688.52
  4. Step 4: Simplify right side
    1,203,500.56x = 1,095,643,942,317.41
  5. Step 5: Solve for x
    x = 1,095,643,942,317.41/1,203,500.56
  6. Step 6: Final answer
    x = 910,380.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.