Home / 1,269,528.72-1,904,284.86-322,891.32

Finding the Fourth Proportional to 1,269,528.72, 1,904,284.86 and 322,891.32

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Solution

The fourth proportional to 1,269,528.72, 1,904,284.86 and 322,891.32 is: 484,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,528.72 : 1,904,284.86 = 322,891.32 : x
  2. Step 2: Convert to fraction form
    1,269,528.72/1,904,284.86 = 322,891.32/x
  3. Step 3: Cross multiply
    1,269,528.72x = 1,904,284.86 × 322,891.32
  4. Step 4: Simplify right side
    1,269,528.72x = 614,877,052,101.42
  5. Step 5: Solve for x
    x = 614,877,052,101.42/1,269,528.72
  6. Step 6: Final answer
    x = 484,334.89

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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.