Home / 1,226,580.24-1,839,740.86-328,112.64

Finding the Fourth Proportional to 1,226,580.24, 1,839,740.86 and 328,112.64

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Solution

The fourth proportional to 1,226,580.24, 1,839,740.86 and 328,112.64 is: 492,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,580.24 : 1,839,740.86 = 328,112.64 : x
  2. Step 2: Convert to fraction form
    1,226,580.24/1,839,740.86 = 328,112.64/x
  3. Step 3: Cross multiply
    1,226,580.24x = 1,839,740.86 × 328,112.64
  4. Step 4: Simplify right side
    1,226,580.24x = 603,642,230,490.47
  5. Step 5: Solve for x
    x = 603,642,230,490.47/1,226,580.24
  6. Step 6: Final answer
    x = 492,134.32

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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.