Home / 1,409,749.55-2,114,624.32-344,778.96

Finding the Fourth Proportional to 1,409,749.55, 2,114,624.32 and 344,778.96

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Solution

The fourth proportional to 1,409,749.55, 2,114,624.32 and 344,778.96 is: 517,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,749.55 : 2,114,624.32 = 344,778.96 : x
  2. Step 2: Convert to fraction form
    1,409,749.55/2,114,624.32 = 344,778.96/x
  3. Step 3: Cross multiply
    1,409,749.55x = 2,114,624.32 × 344,778.96
  4. Step 4: Simplify right side
    1,409,749.55x = 729,077,972,978.36
  5. Step 5: Solve for x
    x = 729,077,972,978.36/1,409,749.55
  6. Step 6: Final answer
    x = 517,168.44

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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.