Home / 1,166,445.88-1,749,668.84-279,981.88

Finding the Fourth Proportional to 1,166,445.88, 1,749,668.84 and 279,981.88

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Solution

The fourth proportional to 1,166,445.88, 1,749,668.84 and 279,981.88 is: 419,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,445.88 : 1,749,668.84 = 279,981.88 : x
  2. Step 2: Convert to fraction form
    1,166,445.88/1,749,668.84 = 279,981.88/x
  3. Step 3: Cross multiply
    1,166,445.88x = 1,749,668.84 × 279,981.88
  4. Step 4: Simplify right side
    1,166,445.88x = 489,875,561,052.37
  5. Step 5: Solve for x
    x = 489,875,561,052.37/1,166,445.88
  6. Step 6: Final answer
    x = 419,972.82

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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.