Home / 1,079,281.16-1,618,639.60-320,918.36

Finding the Fourth Proportional to 1,079,281.16, 1,618,639.60 and 320,918.36

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Solution

The fourth proportional to 1,079,281.16, 1,618,639.60 and 320,918.36 is: 481,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,281.16 : 1,618,639.60 = 320,918.36 : x
  2. Step 2: Convert to fraction form
    1,079,281.16/1,618,639.60 = 320,918.36/x
  3. Step 3: Cross multiply
    1,079,281.16x = 1,618,639.60 × 320,918.36
  4. Step 4: Simplify right side
    1,079,281.16x = 519,451,165,863.06
  5. Step 5: Solve for x
    x = 519,451,165,863.06/1,079,281.16
  6. Step 6: Final answer
    x = 481,293.65

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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.