Home / 1,108,182.09-1,664,635.87-1,043,391.32

Finding the Fourth Proportional to 1,108,182.09, 1,664,635.87 and 1,043,391.32

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Solution

The fourth proportional to 1,108,182.09, 1,664,635.87 and 1,043,391.32 is: 1,567,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,182.09 : 1,664,635.87 = 1,043,391.32 : x
  2. Step 2: Convert to fraction form
    1,108,182.09/1,664,635.87 = 1,043,391.32/x
  3. Step 3: Cross multiply
    1,108,182.09x = 1,664,635.87 × 1,043,391.32
  4. Step 4: Simplify right side
    1,108,182.09x = 1,736,866,617,718.65
  5. Step 5: Solve for x
    x = 1,736,866,617,718.65/1,108,182.09
  6. Step 6: Final answer
    x = 1,567,311.58

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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.