Home / 1,890,998.40-2,836,886.40-629,731.20

Finding the Fourth Proportional to 1,890,998.40, 2,836,886.40 and 629,731.20

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Solution

The fourth proportional to 1,890,998.40, 2,836,886.40 and 629,731.20 is: 944,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,998.40 : 2,836,886.40 = 629,731.20 : x
  2. Step 2: Convert to fraction form
    1,890,998.40/2,836,886.40 = 629,731.20/x
  3. Step 3: Cross multiply
    1,890,998.40x = 2,836,886.40 × 629,731.20
  4. Step 4: Simplify right side
    1,890,998.40x = 1,786,475,876,935.68
  5. Step 5: Solve for x
    x = 1,786,475,876,935.68/1,890,998.40
  6. Step 6: Final answer
    x = 944,726.28

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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.