Home / 1,382,165.64-1,907,543.50-770,374.26

Finding the Fourth Proportional to 1,382,165.64, 1,907,543.50 and 770,374.26

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Solution

The fourth proportional to 1,382,165.64, 1,907,543.50 and 770,374.26 is: 1,063,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,165.64 : 1,907,543.50 = 770,374.26 : x
  2. Step 2: Convert to fraction form
    1,382,165.64/1,907,543.50 = 770,374.26/x
  3. Step 3: Cross multiply
    1,382,165.64x = 1,907,543.50 × 770,374.26
  4. Step 4: Simplify right side
    1,382,165.64x = 1,469,522,412,230.31
  5. Step 5: Solve for x
    x = 1,469,522,412,230.31/1,382,165.64
  6. Step 6: Final answer
    x = 1,063,202.82

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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.