Home / 1,580,297.67-2,180,277-1,028,761.59

Finding the Fourth Proportional to 1,580,297.67, 2,180,277 and 1,028,761.59

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Solution

The fourth proportional to 1,580,297.67, 2,180,277 and 1,028,761.59 is: 1,419,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,297.67 : 2,180,277 = 1,028,761.59 : x
  2. Step 2: Convert to fraction form
    1,580,297.67/2,180,277 = 1,028,761.59/x
  3. Step 3: Cross multiply
    1,580,297.67x = 2,180,277 × 1,028,761.59
  4. Step 4: Simplify right side
    1,580,297.67x = 2,242,985,233,160.43
  5. Step 5: Solve for x
    x = 2,242,985,233,160.43/1,580,297.67
  6. Step 6: Final answer
    x = 1,419,343.50

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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.