Home / 1,226,575.32-1,839,733.56-328,107.75

Finding the Fourth Proportional to 1,226,575.32, 1,839,733.56 and 328,107.75

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Solution

The fourth proportional to 1,226,575.32, 1,839,733.56 and 328,107.75 is: 492,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,575.32 : 1,839,733.56 = 328,107.75 : x
  2. Step 2: Convert to fraction form
    1,226,575.32/1,839,733.56 = 328,107.75/x
  3. Step 3: Cross multiply
    1,226,575.32x = 1,839,733.56 × 328,107.75
  4. Step 4: Simplify right side
    1,226,575.32x = 603,630,838,971.09
  5. Step 5: Solve for x
    x = 603,630,838,971.09/1,226,575.32
  6. Step 6: Final answer
    x = 492,127.01

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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.