Home / 1,412,227.72-2,118,323.22-347,279.08

Finding the Fourth Proportional to 1,412,227.72, 2,118,323.22 and 347,279.08

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Solution

The fourth proportional to 1,412,227.72, 2,118,323.22 and 347,279.08 is: 520,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,227.72 : 2,118,323.22 = 347,279.08 : x
  2. Step 2: Convert to fraction form
    1,412,227.72/2,118,323.22 = 347,279.08/x
  3. Step 3: Cross multiply
    1,412,227.72x = 2,118,323.22 × 347,279.08
  4. Step 4: Simplify right side
    1,412,227.72x = 735,649,338,984.24
  5. Step 5: Solve for x
    x = 735,649,338,984.24/1,412,227.72
  6. Step 6: Final answer
    x = 520,914.11

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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.