Home / 1,345,401-1,856,667.90-733,548.78

Finding the Fourth Proportional to 1,345,401, 1,856,667.90 and 733,548.78

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Solution

The fourth proportional to 1,345,401, 1,856,667.90 and 733,548.78 is: 1,012,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,401 : 1,856,667.90 = 733,548.78 : x
  2. Step 2: Convert to fraction form
    1,345,401/1,856,667.90 = 733,548.78/x
  3. Step 3: Cross multiply
    1,345,401x = 1,856,667.90 × 733,548.78
  4. Step 4: Simplify right side
    1,345,401x = 1,361,956,472,910.16
  5. Step 5: Solve for x
    x = 1,361,956,472,910.16/1,345,401
  6. Step 6: Final answer
    x = 1,012,305.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.