Home / 1,226,669.12-1,840,250.46-427,736.15

Finding the Fourth Proportional to 1,226,669.12, 1,840,250.46 and 427,736.15

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Solution

The fourth proportional to 1,226,669.12, 1,840,250.46 and 427,736.15 is: 641,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,669.12 : 1,840,250.46 = 427,736.15 : x
  2. Step 2: Convert to fraction form
    1,226,669.12/1,840,250.46 = 427,736.15/x
  3. Step 3: Cross multiply
    1,226,669.12x = 1,840,250.46 × 427,736.15
  4. Step 4: Simplify right side
    1,226,669.12x = 787,141,646,796.13
  5. Step 5: Solve for x
    x = 787,141,646,796.13/1,226,669.12
  6. Step 6: Final answer
    x = 641,690.28

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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.