Home / 1,379,512.23-2,068,665.09-695,978.55

Finding the Fourth Proportional to 1,379,512.23, 2,068,665.09 and 695,978.55

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Solution

The fourth proportional to 1,379,512.23, 2,068,665.09 and 695,978.55 is: 1,043,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,512.23 : 2,068,665.09 = 695,978.55 : x
  2. Step 2: Convert to fraction form
    1,379,512.23/2,068,665.09 = 695,978.55/x
  3. Step 3: Cross multiply
    1,379,512.23x = 2,068,665.09 × 695,978.55
  4. Step 4: Simplify right side
    1,379,512.23x = 1,439,746,529,773.82
  5. Step 5: Solve for x
    x = 1,439,746,529,773.82/1,379,512.23
  6. Step 6: Final answer
    x = 1,043,663.48

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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.