Home / 1,110,060.80-1,665,868.80-479,427.20

Finding the Fourth Proportional to 1,110,060.80, 1,665,868.80 and 479,427.20

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Solution

The fourth proportional to 1,110,060.80, 1,665,868.80 and 479,427.20 is: 719,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,060.80 : 1,665,868.80 = 479,427.20 : x
  2. Step 2: Convert to fraction form
    1,110,060.80/1,665,868.80 = 479,427.20/x
  3. Step 3: Cross multiply
    1,110,060.80x = 1,665,868.80 × 479,427.20
  4. Step 4: Simplify right side
    1,110,060.80x = 798,662,814,351.36
  5. Step 5: Solve for x
    x = 798,662,814,351.36/1,110,060.80
  6. Step 6: Final answer
    x = 719,476.64

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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.