Home / 1,319,106.96-1,978,481.16-372,553.92

Finding the Fourth Proportional to 1,319,106.96, 1,978,481.16 and 372,553.92

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Solution

The fourth proportional to 1,319,106.96, 1,978,481.16 and 372,553.92 is: 558,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,106.96 : 1,978,481.16 = 372,553.92 : x
  2. Step 2: Convert to fraction form
    1,319,106.96/1,978,481.16 = 372,553.92/x
  3. Step 3: Cross multiply
    1,319,106.96x = 1,978,481.16 × 372,553.92
  4. Step 4: Simplify right side
    1,319,106.96x = 737,090,911,804.15
  5. Step 5: Solve for x
    x = 737,090,911,804.15/1,319,106.96
  6. Step 6: Final answer
    x = 558,780.25

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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.