Home / 1,166,445.75-1,749,668.64-279,981.75

Finding the Fourth Proportional to 1,166,445.75, 1,749,668.64 and 279,981.75

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Solution

The fourth proportional to 1,166,445.75, 1,749,668.64 and 279,981.75 is: 419,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,445.75 : 1,749,668.64 = 279,981.75 : x
  2. Step 2: Convert to fraction form
    1,166,445.75/1,749,668.64 = 279,981.75/x
  3. Step 3: Cross multiply
    1,166,445.75x = 1,749,668.64 × 279,981.75
  4. Step 4: Simplify right side
    1,166,445.75x = 489,875,287,747.32
  5. Step 5: Solve for x
    x = 489,875,287,747.32/1,166,445.75
  6. Step 6: Final answer
    x = 419,972.63

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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.