Home / 1,202,890.60-1,660,165.86-693,493.48

Finding the Fourth Proportional to 1,202,890.60, 1,660,165.86 and 693,493.48

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Solution

The fourth proportional to 1,202,890.60, 1,660,165.86 and 693,493.48 is: 957,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,890.60 : 1,660,165.86 = 693,493.48 : x
  2. Step 2: Convert to fraction form
    1,202,890.60/1,660,165.86 = 693,493.48/x
  3. Step 3: Cross multiply
    1,202,890.60x = 1,660,165.86 × 693,493.48
  4. Step 4: Simplify right side
    1,202,890.60x = 1,151,314,199,628.59
  5. Step 5: Solve for x
    x = 1,151,314,199,628.59/1,202,890.60
  6. Step 6: Final answer
    x = 957,122.95

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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.