Home / 1,238,482.25-1,857,706.76-339,922.92

Finding the Fourth Proportional to 1,238,482.25, 1,857,706.76 and 339,922.92

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Solution

The fourth proportional to 1,238,482.25, 1,857,706.76 and 339,922.92 is: 509,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,482.25 : 1,857,706.76 = 339,922.92 : x
  2. Step 2: Convert to fraction form
    1,238,482.25/1,857,706.76 = 339,922.92/x
  3. Step 3: Cross multiply
    1,238,482.25x = 1,857,706.76 × 339,922.92
  4. Step 4: Simplify right side
    1,238,482.25x = 631,477,107,212.75
  5. Step 5: Solve for x
    x = 631,477,107,212.75/1,238,482.25
  6. Step 6: Final answer
    x = 509,879.82

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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.