Home / 1,319,107.96-1,978,482.66-372,554.92

Finding the Fourth Proportional to 1,319,107.96, 1,978,482.66 and 372,554.92

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Solution

The fourth proportional to 1,319,107.96, 1,978,482.66 and 372,554.92 is: 558,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,107.96 : 1,978,482.66 = 372,554.92 : x
  2. Step 2: Convert to fraction form
    1,319,107.96/1,978,482.66 = 372,554.92/x
  3. Step 3: Cross multiply
    1,319,107.96x = 1,978,482.66 × 372,554.92
  4. Step 4: Simplify right side
    1,319,107.96x = 737,093,449,117.69
  5. Step 5: Solve for x
    x = 737,093,449,117.69/1,319,107.96
  6. Step 6: Final answer
    x = 558,781.75

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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.