Home / 1,319,353.92-1,979,112.96-372,797.28

Finding the Fourth Proportional to 1,319,353.92, 1,979,112.96 and 372,797.28

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Solution

The fourth proportional to 1,319,353.92, 1,979,112.96 and 372,797.28 is: 559,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,353.92 : 1,979,112.96 = 372,797.28 : x
  2. Step 2: Convert to fraction form
    1,319,353.92/1,979,112.96 = 372,797.28/x
  3. Step 3: Cross multiply
    1,319,353.92x = 1,979,112.96 × 372,797.28
  4. Step 4: Simplify right side
    1,319,353.92x = 737,807,928,300.75
  5. Step 5: Solve for x
    x = 737,807,928,300.75/1,319,353.92
  6. Step 6: Final answer
    x = 559,219.11

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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.