Home / 1,375,693.46-1,898,364.46-763,814.60

Finding the Fourth Proportional to 1,375,693.46, 1,898,364.46 and 763,814.60

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Solution

The fourth proportional to 1,375,693.46, 1,898,364.46 and 763,814.60 is: 1,054,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,693.46 : 1,898,364.46 = 763,814.60 : x
  2. Step 2: Convert to fraction form
    1,375,693.46/1,898,364.46 = 763,814.60/x
  3. Step 3: Cross multiply
    1,375,693.46x = 1,898,364.46 × 763,814.60
  4. Step 4: Simplify right side
    1,375,693.46x = 1,449,998,490,669.12
  5. Step 5: Solve for x
    x = 1,449,998,490,669.12/1,375,693.46
  6. Step 6: Final answer
    x = 1,054,012.78

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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.