Home / 1,369,589.40-2,052,701.52-769,288.68

Finding the Fourth Proportional to 1,369,589.40, 2,052,701.52 and 769,288.68

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Solution

The fourth proportional to 1,369,589.40, 2,052,701.52 and 769,288.68 is: 1,152,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,589.40 : 2,052,701.52 = 769,288.68 : x
  2. Step 2: Convert to fraction form
    1,369,589.40/2,052,701.52 = 769,288.68/x
  3. Step 3: Cross multiply
    1,369,589.40x = 2,052,701.52 × 769,288.68
  4. Step 4: Simplify right side
    1,369,589.40x = 1,579,120,042,754.79
  5. Step 5: Solve for x
    x = 1,579,120,042,754.79/1,369,589.40
  6. Step 6: Final answer
    x = 1,152,987.93

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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.