Home / 1,343,419.20-1,853,638.56-833,819.04

Finding the Fourth Proportional to 1,343,419.20, 1,853,638.56 and 833,819.04

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Solution

The fourth proportional to 1,343,419.20, 1,853,638.56 and 833,819.04 is: 1,150,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,419.20 : 1,853,638.56 = 833,819.04 : x
  2. Step 2: Convert to fraction form
    1,343,419.20/1,853,638.56 = 833,819.04/x
  3. Step 3: Cross multiply
    1,343,419.20x = 1,853,638.56 × 833,819.04
  4. Step 4: Simplify right side
    1,343,419.20x = 1,545,599,124,606.18
  5. Step 5: Solve for x
    x = 1,545,599,124,606.18/1,343,419.20
  6. Step 6: Final answer
    x = 1,150,496.53

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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.