Home / 1,328,417.82-1,833,193.62-755,444.88

Finding the Fourth Proportional to 1,328,417.82, 1,833,193.62 and 755,444.88

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Solution

The fourth proportional to 1,328,417.82, 1,833,193.62 and 755,444.88 is: 1,042,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,417.82 : 1,833,193.62 = 755,444.88 : x
  2. Step 2: Convert to fraction form
    1,328,417.82/1,833,193.62 = 755,444.88/x
  3. Step 3: Cross multiply
    1,328,417.82x = 1,833,193.62 × 755,444.88
  4. Step 4: Simplify right side
    1,328,417.82x = 1,384,876,734,277.67
  5. Step 5: Solve for x
    x = 1,384,876,734,277.67/1,328,417.82
  6. Step 6: Final answer
    x = 1,042,500.87

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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.