Home / 1,109,866.12-1,664,799.99-268,418.68

Finding the Fourth Proportional to 1,109,866.12, 1,664,799.99 and 268,418.68

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Solution

The fourth proportional to 1,109,866.12, 1,664,799.99 and 268,418.68 is: 402,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,866.12 : 1,664,799.99 = 268,418.68 : x
  2. Step 2: Convert to fraction form
    1,109,866.12/1,664,799.99 = 268,418.68/x
  3. Step 3: Cross multiply
    1,109,866.12x = 1,664,799.99 × 268,418.68
  4. Step 4: Simplify right side
    1,109,866.12x = 446,863,415,779.81
  5. Step 5: Solve for x
    x = 446,863,415,779.81/1,109,866.12
  6. Step 6: Final answer
    x = 402,628.22

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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.