Home / 1,394,459.30-1,924,546.88-782,648.48

Finding the Fourth Proportional to 1,394,459.30, 1,924,546.88 and 782,648.48

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Solution

The fourth proportional to 1,394,459.30, 1,924,546.88 and 782,648.48 is: 1,080,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,459.30 : 1,924,546.88 = 782,648.48 : x
  2. Step 2: Convert to fraction form
    1,394,459.30/1,924,546.88 = 782,648.48/x
  3. Step 3: Cross multiply
    1,394,459.30x = 1,924,546.88 × 782,648.48
  4. Step 4: Simplify right side
    1,394,459.30x = 1,506,243,690,320.74
  5. Step 5: Solve for x
    x = 1,506,243,690,320.74/1,394,459.30
  6. Step 6: Final answer
    x = 1,080,163.25

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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.