Home / 1,394,392.50-1,924,261.68-790,780.50

Finding the Fourth Proportional to 1,394,392.50, 1,924,261.68 and 790,780.50

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Solution

The fourth proportional to 1,394,392.50, 1,924,261.68 and 790,780.50 is: 1,091,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,392.50 : 1,924,261.68 = 790,780.50 : x
  2. Step 2: Convert to fraction form
    1,394,392.50/1,924,261.68 = 790,780.50/x
  3. Step 3: Cross multiply
    1,394,392.50x = 1,924,261.68 × 790,780.50
  4. Step 4: Simplify right side
    1,394,392.50x = 1,521,668,613,441.24
  5. Step 5: Solve for x
    x = 1,521,668,613,441.24/1,394,392.50
  6. Step 6: Final answer
    x = 1,091,277.11

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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.