Home / 1,214,173.50-1,675,778.76-724,174.44

Finding the Fourth Proportional to 1,214,173.50, 1,675,778.76 and 724,174.44

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Solution

The fourth proportional to 1,214,173.50, 1,675,778.76 and 724,174.44 is: 999,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,173.50 : 1,675,778.76 = 724,174.44 : x
  2. Step 2: Convert to fraction form
    1,214,173.50/1,675,778.76 = 724,174.44/x
  3. Step 3: Cross multiply
    1,214,173.50x = 1,675,778.76 × 724,174.44
  4. Step 4: Simplify right side
    1,214,173.50x = 1,213,556,145,086.89
  5. Step 5: Solve for x
    x = 1,213,556,145,086.89/1,214,173.50
  6. Step 6: Final answer
    x = 999,491.54

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1.5x scale

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.