Home / 1,166,445.63-1,749,668.46-279,981.63

Finding the Fourth Proportional to 1,166,445.63, 1,749,668.46 and 279,981.63

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Solution

The fourth proportional to 1,166,445.63, 1,749,668.46 and 279,981.63 is: 419,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,445.63 : 1,749,668.46 = 279,981.63 : x
  2. Step 2: Convert to fraction form
    1,166,445.63/1,749,668.46 = 279,981.63/x
  3. Step 3: Cross multiply
    1,166,445.63x = 1,749,668.46 × 279,981.63
  4. Step 4: Simplify right side
    1,166,445.63x = 489,875,018,642.05
  5. Step 5: Solve for x
    x = 489,875,018,642.05/1,166,445.63
  6. Step 6: Final answer
    x = 419,972.44

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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.