Home / 1,380,708.87-2,071,046.85-356,033.76

Finding the Fourth Proportional to 1,380,708.87, 2,071,046.85 and 356,033.76

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Solution

The fourth proportional to 1,380,708.87, 2,071,046.85 and 356,033.76 is: 534,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,708.87 : 2,071,046.85 = 356,033.76 : x
  2. Step 2: Convert to fraction form
    1,380,708.87/2,071,046.85 = 356,033.76/x
  3. Step 3: Cross multiply
    1,380,708.87x = 2,071,046.85 × 356,033.76
  4. Step 4: Simplify right side
    1,380,708.87x = 737,362,597,141.66
  5. Step 5: Solve for x
    x = 737,362,597,141.66/1,380,708.87
  6. Step 6: Final answer
    x = 534,046.40

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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.