Home / 1,186,976.54-1,780,467.03-288,419.03

Finding the Fourth Proportional to 1,186,976.54, 1,780,467.03 and 288,419.03

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Solution

The fourth proportional to 1,186,976.54, 1,780,467.03 and 288,419.03 is: 432,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,976.54 : 1,780,467.03 = 288,419.03 : x
  2. Step 2: Convert to fraction form
    1,186,976.54/1,780,467.03 = 288,419.03/x
  3. Step 3: Cross multiply
    1,186,976.54x = 1,780,467.03 × 288,419.03
  4. Step 4: Simplify right side
    1,186,976.54x = 513,520,573,739.58
  5. Step 5: Solve for x
    x = 513,520,573,739.58/1,186,976.54
  6. Step 6: Final answer
    x = 432,629.08

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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.