Home / 1,226,588.32-1,839,753.04-328,120.72

Finding the Fourth Proportional to 1,226,588.32, 1,839,753.04 and 328,120.72

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Solution

The fourth proportional to 1,226,588.32, 1,839,753.04 and 328,120.72 is: 492,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,588.32 : 1,839,753.04 = 328,120.72 : x
  2. Step 2: Convert to fraction form
    1,226,588.32/1,839,753.04 = 328,120.72/x
  3. Step 3: Cross multiply
    1,226,588.32x = 1,839,753.04 × 328,120.72
  4. Step 4: Simplify right side
    1,226,588.32x = 603,661,092,106.99
  5. Step 5: Solve for x
    x = 603,661,092,106.99/1,226,588.32
  6. Step 6: Final answer
    x = 492,146.45

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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.