Home / 1,412,226.72-2,118,321.72-347,278.08

Finding the Fourth Proportional to 1,412,226.72, 2,118,321.72 and 347,278.08

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Solution

The fourth proportional to 1,412,226.72, 2,118,321.72 and 347,278.08 is: 520,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,226.72 : 2,118,321.72 = 347,278.08 : x
  2. Step 2: Convert to fraction form
    1,412,226.72/2,118,321.72 = 347,278.08/x
  3. Step 3: Cross multiply
    1,412,226.72x = 2,118,321.72 × 347,278.08
  4. Step 4: Simplify right side
    1,412,226.72x = 735,646,699,743.90
  5. Step 5: Solve for x
    x = 735,646,699,743.90/1,412,226.72
  6. Step 6: Final answer
    x = 520,912.61

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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.