Home / 1,226,389.32-1,839,592.17-427,667.76

Finding the Fourth Proportional to 1,226,389.32, 1,839,592.17 and 427,667.76

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Solution

The fourth proportional to 1,226,389.32, 1,839,592.17 and 427,667.76 is: 641,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,389.32 : 1,839,592.17 = 427,667.76 : x
  2. Step 2: Convert to fraction form
    1,226,389.32/1,839,592.17 = 427,667.76/x
  3. Step 3: Cross multiply
    1,226,389.32x = 1,839,592.17 × 427,667.76
  4. Step 4: Simplify right side
    1,226,389.32x = 786,734,262,657.44
  5. Step 5: Solve for x
    x = 786,734,262,657.44/1,226,389.32
  6. Step 6: Final answer
    x = 641,504.50

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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.