Home / 1,295,486.82-1,943,175.15-442,634.94

Finding the Fourth Proportional to 1,295,486.82, 1,943,175.15 and 442,634.94

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Solution

The fourth proportional to 1,295,486.82, 1,943,175.15 and 442,634.94 is: 663,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,486.82 : 1,943,175.15 = 442,634.94 : x
  2. Step 2: Convert to fraction form
    1,295,486.82/1,943,175.15 = 442,634.94/x
  3. Step 3: Cross multiply
    1,295,486.82x = 1,943,175.15 × 442,634.94
  4. Step 4: Simplify right side
    1,295,486.82x = 860,117,215,929.74
  5. Step 5: Solve for x
    x = 860,117,215,929.74/1,295,486.82
  6. Step 6: Final answer
    x = 663,933.59

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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.