Home / 1,272,242.14-1,908,358.32-325,611.34

Finding the Fourth Proportional to 1,272,242.14, 1,908,358.32 and 325,611.34

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Solution

The fourth proportional to 1,272,242.14, 1,908,358.32 and 325,611.34 is: 488,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,242.14 : 1,908,358.32 = 325,611.34 : x
  2. Step 2: Convert to fraction form
    1,272,242.14/1,908,358.32 = 325,611.34/x
  3. Step 3: Cross multiply
    1,272,242.14x = 1,908,358.32 × 325,611.34
  4. Step 4: Simplify right side
    1,272,242.14x = 621,383,109,775.35
  5. Step 5: Solve for x
    x = 621,383,109,775.35/1,272,242.14
  6. Step 6: Final answer
    x = 488,415.76

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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.