Home / 1,238,094.80-1,708,441.80-728,766.80

Finding the Fourth Proportional to 1,238,094.80, 1,708,441.80 and 728,766.80

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Solution

The fourth proportional to 1,238,094.80, 1,708,441.80 and 728,766.80 is: 1,005,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,094.80 : 1,708,441.80 = 728,766.80 : x
  2. Step 2: Convert to fraction form
    1,238,094.80/1,708,441.80 = 728,766.80/x
  3. Step 3: Cross multiply
    1,238,094.80x = 1,708,441.80 × 728,766.80
  4. Step 4: Simplify right side
    1,238,094.80x = 1,245,055,663,572.24
  5. Step 5: Solve for x
    x = 1,245,055,663,572.24/1,238,094.80
  6. Step 6: Final answer
    x = 1,005,622.24

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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.