Home / 942,022.80-1,410,960.60-660,013.20

Finding the Fourth Proportional to 942,022.80, 1,410,960.60 and 660,013.20

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Solution

The fourth proportional to 942,022.80, 1,410,960.60 and 660,013.20 is: 988,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,022.80 : 1,410,960.60 = 660,013.20 : x
  2. Step 2: Convert to fraction form
    942,022.80/1,410,960.60 = 660,013.20/x
  3. Step 3: Cross multiply
    942,022.80x = 1,410,960.60 × 660,013.20
  4. Step 4: Simplify right side
    942,022.80x = 931,252,620,679.92
  5. Step 5: Solve for x
    x = 931,252,620,679.92/942,022.80
  6. Step 6: Final answer
    x = 988,566.97

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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.