Home / 1,370,874.48-1,890,542.52-940,395.12

Finding the Fourth Proportional to 1,370,874.48, 1,890,542.52 and 940,395.12

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Solution

The fourth proportional to 1,370,874.48, 1,890,542.52 and 940,395.12 is: 1,296,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,874.48 : 1,890,542.52 = 940,395.12 : x
  2. Step 2: Convert to fraction form
    1,370,874.48/1,890,542.52 = 940,395.12/x
  3. Step 3: Cross multiply
    1,370,874.48x = 1,890,542.52 × 940,395.12
  4. Step 4: Simplify right side
    1,370,874.48x = 1,777,856,959,960.50
  5. Step 5: Solve for x
    x = 1,777,856,959,960.50/1,370,874.48
  6. Step 6: Final answer
    x = 1,296,878.00

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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.