Home / 1,100,374.26-1,518,786.57-670,891.18

Finding the Fourth Proportional to 1,100,374.26, 1,518,786.57 and 670,891.18

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Solution

The fourth proportional to 1,100,374.26, 1,518,786.57 and 670,891.18 is: 925,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,374.26 : 1,518,786.57 = 670,891.18 : x
  2. Step 2: Convert to fraction form
    1,100,374.26/1,518,786.57 = 670,891.18/x
  3. Step 3: Cross multiply
    1,100,374.26x = 1,518,786.57 × 670,891.18
  4. Step 4: Simplify right side
    1,100,374.26x = 1,018,940,514,115.45
  5. Step 5: Solve for x
    x = 1,018,940,514,115.45/1,100,374.26
  6. Step 6: Final answer
    x = 925,994.50

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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.