Home / 1,189,477.44-1,641,467.52-645,612.48

Finding the Fourth Proportional to 1,189,477.44, 1,641,467.52 and 645,612.48

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Solution

The fourth proportional to 1,189,477.44, 1,641,467.52 and 645,612.48 is: 890,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,477.44 : 1,641,467.52 = 645,612.48 : x
  2. Step 2: Convert to fraction form
    1,189,477.44/1,641,467.52 = 645,612.48/x
  3. Step 3: Cross multiply
    1,189,477.44x = 1,641,467.52 × 645,612.48
  4. Step 4: Simplify right side
    1,189,477.44x = 1,059,751,916,426.65
  5. Step 5: Solve for x
    x = 1,059,751,916,426.65/1,189,477.44
  6. Step 6: Final answer
    x = 890,939.06

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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.