Home / 1,203,947.54-1,661,436.37-660,113.54

Finding the Fourth Proportional to 1,203,947.54, 1,661,436.37 and 660,113.54

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Solution

The fourth proportional to 1,203,947.54, 1,661,436.37 and 660,113.54 is: 910,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,947.54 : 1,661,436.37 = 660,113.54 : x
  2. Step 2: Convert to fraction form
    1,203,947.54/1,661,436.37 = 660,113.54/x
  3. Step 3: Cross multiply
    1,203,947.54x = 1,661,436.37 × 660,113.54
  4. Step 4: Simplify right side
    1,203,947.54x = 1,096,736,643,685.45
  5. Step 5: Solve for x
    x = 1,096,736,643,685.45/1,203,947.54
  6. Step 6: Final answer
    x = 910,950.53

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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.