Home / 1,890,868-2,836,326.70-628,695.62

Finding the Fourth Proportional to 1,890,868, 2,836,326.70 and 628,695.62

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Solution

The fourth proportional to 1,890,868, 2,836,326.70 and 628,695.62 is: 943,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,868 : 2,836,326.70 = 628,695.62 : x
  2. Step 2: Convert to fraction form
    1,890,868/2,836,326.70 = 628,695.62/x
  3. Step 3: Cross multiply
    1,890,868x = 2,836,326.70 × 628,695.62
  4. Step 4: Simplify right side
    1,890,868x = 1,783,186,173,179.05
  5. Step 5: Solve for x
    x = 1,783,186,173,179.05/1,890,868
  6. Step 6: Final answer
    x = 943,051.64

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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.