Home / 1,226,415.35-1,839,869.06-427,482.38

Finding the Fourth Proportional to 1,226,415.35, 1,839,869.06 and 427,482.38

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Solution

The fourth proportional to 1,226,415.35, 1,839,869.06 and 427,482.38 is: 641,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,415.35 : 1,839,869.06 = 427,482.38 : x
  2. Step 2: Convert to fraction form
    1,226,415.35/1,839,869.06 = 427,482.38/x
  3. Step 3: Cross multiply
    1,226,415.35x = 1,839,869.06 × 427,482.38
  4. Step 4: Simplify right side
    1,226,415.35x = 786,511,593,320.41
  5. Step 5: Solve for x
    x = 786,511,593,320.41/1,226,415.35
  6. Step 6: Final answer
    x = 641,309.32

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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.