Home / 1,423,949-2,134,436.32-855,329

Finding the Fourth Proportional to 1,423,949, 2,134,436.32 and 855,329

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Solution

The fourth proportional to 1,423,949, 2,134,436.32 and 855,329 is: 1,282,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,949 : 2,134,436.32 = 855,329 : x
  2. Step 2: Convert to fraction form
    1,423,949/2,134,436.32 = 855,329/x
  3. Step 3: Cross multiply
    1,423,949x = 2,134,436.32 × 855,329
  4. Step 4: Simplify right side
    1,423,949x = 1,825,645,283,149.28
  5. Step 5: Solve for x
    x = 1,825,645,283,149.28/1,423,949
  6. Step 6: Final answer
    x = 1,282,100.19

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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.