Home / 1,288,012.08-1,932,024.79-755,159.44

Finding the Fourth Proportional to 1,288,012.08, 1,932,024.79 and 755,159.44

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Solution

The fourth proportional to 1,288,012.08, 1,932,024.79 and 755,159.44 is: 1,132,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,012.08 : 1,932,024.79 = 755,159.44 : x
  2. Step 2: Convert to fraction form
    1,288,012.08/1,932,024.79 = 755,159.44/x
  3. Step 3: Cross multiply
    1,288,012.08x = 1,932,024.79 × 755,159.44
  4. Step 4: Simplify right side
    1,288,012.08x = 1,458,986,753,971.18
  5. Step 5: Solve for x
    x = 1,458,986,753,971.18/1,288,012.08
  6. Step 6: Final answer
    x = 1,132,743.06

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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.