Home / 1,580,295.42-2,180,273.90-1,028,759.33

Finding the Fourth Proportional to 1,580,295.42, 2,180,273.90 and 1,028,759.33

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Solution

The fourth proportional to 1,580,295.42, 2,180,273.90 and 1,028,759.33 is: 1,419,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,295.42 : 2,180,273.90 = 1,028,759.33 : x
  2. Step 2: Convert to fraction form
    1,580,295.42/2,180,273.90 = 1,028,759.33/x
  3. Step 3: Cross multiply
    1,580,295.42x = 2,180,273.90 × 1,028,759.33
  4. Step 4: Simplify right side
    1,580,295.42x = 2,242,977,124,603.07
  5. Step 5: Solve for x
    x = 2,242,977,124,603.07/1,580,295.42
  6. Step 6: Final answer
    x = 1,419,340.39

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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.