Home / 1,521,247-2,099,241.03-832,786.87

Finding the Fourth Proportional to 1,521,247, 2,099,241.03 and 832,786.87

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Solution

The fourth proportional to 1,521,247, 2,099,241.03 and 832,786.87 is: 1,149,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,247 : 2,099,241.03 = 832,786.87 : x
  2. Step 2: Convert to fraction form
    1,521,247/2,099,241.03 = 832,786.87/x
  3. Step 3: Cross multiply
    1,521,247x = 2,099,241.03 × 832,786.87
  4. Step 4: Simplify right side
    1,521,247x = 1,748,220,366,749.28
  5. Step 5: Solve for x
    x = 1,748,220,366,749.28/1,521,247
  6. Step 6: Final answer
    x = 1,149,202.18

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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.