Home / 1,370,983.60-1,892,187.65-798,361.39

Finding the Fourth Proportional to 1,370,983.60, 1,892,187.65 and 798,361.39

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Solution

The fourth proportional to 1,370,983.60, 1,892,187.65 and 798,361.39 is: 1,101,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,983.60 : 1,892,187.65 = 798,361.39 : x
  2. Step 2: Convert to fraction form
    1,370,983.60/1,892,187.65 = 798,361.39/x
  3. Step 3: Cross multiply
    1,370,983.60x = 1,892,187.65 × 798,361.39
  4. Step 4: Simplify right side
    1,370,983.60x = 1,510,649,562,394.83
  5. Step 5: Solve for x
    x = 1,510,649,562,394.83/1,370,983.60
  6. Step 6: Final answer
    x = 1,101,872.82

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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.