Home / 1,280,761.14-1,920,858.75-369,745.62

Finding the Fourth Proportional to 1,280,761.14, 1,920,858.75 and 369,745.62

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Solution

The fourth proportional to 1,280,761.14, 1,920,858.75 and 369,745.62 is: 554,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,761.14 : 1,920,858.75 = 369,745.62 : x
  2. Step 2: Convert to fraction form
    1,280,761.14/1,920,858.75 = 369,745.62/x
  3. Step 3: Cross multiply
    1,280,761.14x = 1,920,858.75 × 369,745.62
  4. Step 4: Simplify right side
    1,280,761.14x = 710,229,109,451.18
  5. Step 5: Solve for x
    x = 710,229,109,451.18/1,280,761.14
  6. Step 6: Final answer
    x = 554,536.74

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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.