Home / 1,211,932.80-1,673,524.80-760,003.20

Finding the Fourth Proportional to 1,211,932.80, 1,673,524.80 and 760,003.20

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Solution

The fourth proportional to 1,211,932.80, 1,673,524.80 and 760,003.20 is: 1,049,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,932.80 : 1,673,524.80 = 760,003.20 : x
  2. Step 2: Convert to fraction form
    1,211,932.80/1,673,524.80 = 760,003.20/x
  3. Step 3: Cross multiply
    1,211,932.80x = 1,673,524.80 × 760,003.20
  4. Step 4: Simplify right side
    1,211,932.80x = 1,271,884,203,279.36
  5. Step 5: Solve for x
    x = 1,271,884,203,279.36/1,211,932.80
  6. Step 6: Final answer
    x = 1,049,467.60

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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.