Home / 1,379,424.40-2,067,905.40-537,780.40

Finding the Fourth Proportional to 1,379,424.40, 2,067,905.40 and 537,780.40

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Solution

The fourth proportional to 1,379,424.40, 2,067,905.40 and 537,780.40 is: 806,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,424.40 : 2,067,905.40 = 537,780.40 : x
  2. Step 2: Convert to fraction form
    1,379,424.40/2,067,905.40 = 537,780.40/x
  3. Step 3: Cross multiply
    1,379,424.40x = 2,067,905.40 × 537,780.40
  4. Step 4: Simplify right side
    1,379,424.40x = 1,112,078,993,174.16
  5. Step 5: Solve for x
    x = 1,112,078,993,174.16/1,379,424.40
  6. Step 6: Final answer
    x = 806,190.61

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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.