Home / 1,109,638.37-1,532,358.53-1,049,186.09

Finding the Fourth Proportional to 1,109,638.37, 1,532,358.53 and 1,049,186.09

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Solution

The fourth proportional to 1,109,638.37, 1,532,358.53 and 1,049,186.09 is: 1,448,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,638.37 : 1,532,358.53 = 1,049,186.09 : x
  2. Step 2: Convert to fraction form
    1,109,638.37/1,532,358.53 = 1,049,186.09/x
  3. Step 3: Cross multiply
    1,109,638.37x = 1,532,358.53 × 1,049,186.09
  4. Step 4: Simplify right side
    1,109,638.37x = 1,607,729,254,568.85
  5. Step 5: Solve for x
    x = 1,607,729,254,568.85/1,109,638.37
  6. Step 6: Final answer
    x = 1,448,876.77

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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.