Home / 1,376,150.40-1,898,755.20-802,863.36

Finding the Fourth Proportional to 1,376,150.40, 1,898,755.20 and 802,863.36

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Solution

The fourth proportional to 1,376,150.40, 1,898,755.20 and 802,863.36 is: 1,107,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,150.40 : 1,898,755.20 = 802,863.36 : x
  2. Step 2: Convert to fraction form
    1,376,150.40/1,898,755.20 = 802,863.36/x
  3. Step 3: Cross multiply
    1,376,150.40x = 1,898,755.20 × 802,863.36
  4. Step 4: Simplify right side
    1,376,150.40x = 1,524,440,979,689.47
  5. Step 5: Solve for x
    x = 1,524,440,979,689.47/1,376,150.40
  6. Step 6: Final answer
    x = 1,107,757.54

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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.