Home / 1,580,032.12-2,180,428.82-854,863.93

Finding the Fourth Proportional to 1,580,032.12, 2,180,428.82 and 854,863.93

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Solution

The fourth proportional to 1,580,032.12, 2,180,428.82 and 854,863.93 is: 1,179,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,032.12 : 2,180,428.82 = 854,863.93 : x
  2. Step 2: Convert to fraction form
    1,580,032.12/2,180,428.82 = 854,863.93/x
  3. Step 3: Cross multiply
    1,580,032.12x = 2,180,428.82 × 854,863.93
  4. Step 4: Simplify right side
    1,580,032.12x = 1,863,969,944,351.12
  5. Step 5: Solve for x
    x = 1,863,969,944,351.12/1,580,032.12
  6. Step 6: Final answer
    x = 1,179,703.83

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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.