Home / 1,558,608.36-2,335,845.78-800,419.20

Finding the Fourth Proportional to 1,558,608.36, 2,335,845.78 and 800,419.20

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Solution

The fourth proportional to 1,558,608.36, 2,335,845.78 and 800,419.20 is: 1,199,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,608.36 : 2,335,845.78 = 800,419.20 : x
  2. Step 2: Convert to fraction form
    1,558,608.36/2,335,845.78 = 800,419.20/x
  3. Step 3: Cross multiply
    1,558,608.36x = 2,335,845.78 × 800,419.20
  4. Step 4: Simplify right side
    1,558,608.36x = 1,869,655,810,550.98
  5. Step 5: Solve for x
    x = 1,869,655,810,550.98/1,558,608.36
  6. Step 6: Final answer
    x = 1,199,567.42

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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.