Home / 1,143,584.10-1,578,029.09-684,686.75

Finding the Fourth Proportional to 1,143,584.10, 1,578,029.09 and 684,686.75

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Solution

The fourth proportional to 1,143,584.10, 1,578,029.09 and 684,686.75 is: 944,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,584.10 : 1,578,029.09 = 684,686.75 : x
  2. Step 2: Convert to fraction form
    1,143,584.10/1,578,029.09 = 684,686.75/x
  3. Step 3: Cross multiply
    1,143,584.10x = 1,578,029.09 × 684,686.75
  4. Step 4: Simplify right side
    1,143,584.10x = 1,080,455,597,723.98
  5. Step 5: Solve for x
    x = 1,080,455,597,723.98/1,143,584.10
  6. Step 6: Final answer
    x = 944,797.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.