Home / 1,319,386.88-1,979,209.92-372,764.96

Finding the Fourth Proportional to 1,319,386.88, 1,979,209.92 and 372,764.96

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Solution

The fourth proportional to 1,319,386.88, 1,979,209.92 and 372,764.96 is: 559,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,386.88 : 1,979,209.92 = 372,764.96 : x
  2. Step 2: Convert to fraction form
    1,319,386.88/1,979,209.92 = 372,764.96/x
  3. Step 3: Cross multiply
    1,319,386.88x = 1,979,209.92 × 372,764.96
  4. Step 4: Simplify right side
    1,319,386.88x = 737,780,106,660.40
  5. Step 5: Solve for x
    x = 737,780,106,660.40/1,319,386.88
  6. Step 6: Final answer
    x = 559,184.06

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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.