Home / 1,166,428.50-1,749,642.75-279,964.50

Finding the Fourth Proportional to 1,166,428.50, 1,749,642.75 and 279,964.50

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Solution

The fourth proportional to 1,166,428.50, 1,749,642.75 and 279,964.50 is: 419,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,428.50 : 1,749,642.75 = 279,964.50 : x
  2. Step 2: Convert to fraction form
    1,166,428.50/1,749,642.75 = 279,964.50/x
  3. Step 3: Cross multiply
    1,166,428.50x = 1,749,642.75 × 279,964.50
  4. Step 4: Simplify right side
    1,166,428.50x = 489,837,857,682.38
  5. Step 5: Solve for x
    x = 489,837,857,682.38/1,166,428.50
  6. Step 6: Final answer
    x = 419,946.75

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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.