Home / 1,394,475.64-1,924,217.82-782,502.04

Finding the Fourth Proportional to 1,394,475.64, 1,924,217.82 and 782,502.04

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Solution

The fourth proportional to 1,394,475.64, 1,924,217.82 and 782,502.04 is: 1,079,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,475.64 : 1,924,217.82 = 782,502.04 : x
  2. Step 2: Convert to fraction form
    1,394,475.64/1,924,217.82 = 782,502.04/x
  3. Step 3: Cross multiply
    1,394,475.64x = 1,924,217.82 × 782,502.04
  4. Step 4: Simplify right side
    1,394,475.64x = 1,505,704,369,554.35
  5. Step 5: Solve for x
    x = 1,505,704,369,554.35/1,394,475.64
  6. Step 6: Final answer
    x = 1,079,763.84

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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.