Home / 1,580,397.96-2,180,949.09-855,245.58

Finding the Fourth Proportional to 1,580,397.96, 2,180,949.09 and 855,245.58

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Solution

The fourth proportional to 1,580,397.96, 2,180,949.09 and 855,245.58 is: 1,180,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,397.96 : 2,180,949.09 = 855,245.58 : x
  2. Step 2: Convert to fraction form
    1,580,397.96/2,180,949.09 = 855,245.58/x
  3. Step 3: Cross multiply
    1,580,397.96x = 2,180,949.09 × 855,245.58
  4. Step 4: Simplify right side
    1,580,397.96x = 1,865,247,069,427.52
  5. Step 5: Solve for x
    x = 1,865,247,069,427.52/1,580,397.96
  6. Step 6: Final answer
    x = 1,180,238.85

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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.