Home / 1,166,429.25-1,749,643.88-279,965.25

Finding the Fourth Proportional to 1,166,429.25, 1,749,643.88 and 279,965.25

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Solution

The fourth proportional to 1,166,429.25, 1,749,643.88 and 279,965.25 is: 419,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,429.25 : 1,749,643.88 = 279,965.25 : x
  2. Step 2: Convert to fraction form
    1,166,429.25/1,749,643.88 = 279,965.25/x
  3. Step 3: Cross multiply
    1,166,429.25x = 1,749,643.88 × 279,965.25
  4. Step 4: Simplify right side
    1,166,429.25x = 489,839,484,875.34
  5. Step 5: Solve for x
    x = 489,839,484,875.34/1,166,429.25
  6. Step 6: Final answer
    x = 419,947.88

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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.