Home / 1,525,581-2,288,371.77-1,188,873.72

Finding the Fourth Proportional to 1,525,581, 2,288,371.77 and 1,188,873.72

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Solution

The fourth proportional to 1,525,581, 2,288,371.77 and 1,188,873.72 is: 1,783,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,581 : 2,288,371.77 = 1,188,873.72 : x
  2. Step 2: Convert to fraction form
    1,525,581/2,288,371.77 = 1,188,873.72/x
  3. Step 3: Cross multiply
    1,525,581x = 2,288,371.77 × 1,188,873.72
  4. Step 4: Simplify right side
    1,525,581x = 2,720,585,058,942.88
  5. Step 5: Solve for x
    x = 2,720,585,058,942.88/1,525,581
  6. Step 6: Final answer
    x = 1,783,310.79

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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.