Home / 1,549,355.85-2,324,167.72-427,424.85

Finding the Fourth Proportional to 1,549,355.85, 2,324,167.72 and 427,424.85

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Solution

The fourth proportional to 1,549,355.85, 2,324,167.72 and 427,424.85 is: 641,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,355.85 : 2,324,167.72 = 427,424.85 : x
  2. Step 2: Convert to fraction form
    1,549,355.85/2,324,167.72 = 427,424.85/x
  3. Step 3: Cross multiply
    1,549,355.85x = 2,324,167.72 × 427,424.85
  4. Step 4: Simplify right side
    1,549,355.85x = 993,407,027,475.00
  5. Step 5: Solve for x
    x = 993,407,027,475.00/1,549,355.85
  6. Step 6: Final answer
    x = 641,174.22

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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.