Home / 1,394,474.64-1,924,216.44-782,501.04

Finding the Fourth Proportional to 1,394,474.64, 1,924,216.44 and 782,501.04

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Solution

The fourth proportional to 1,394,474.64, 1,924,216.44 and 782,501.04 is: 1,079,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,474.64 : 1,924,216.44 = 782,501.04 : x
  2. Step 2: Convert to fraction form
    1,394,474.64/1,924,216.44 = 782,501.04/x
  3. Step 3: Cross multiply
    1,394,474.64x = 1,924,216.44 × 782,501.04
  4. Step 4: Simplify right side
    1,394,474.64x = 1,505,701,365,485.10
  5. Step 5: Solve for x
    x = 1,505,701,365,485.10/1,394,474.64
  6. Step 6: Final answer
    x = 1,079,762.46

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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.