Home / 1,643,116.95-2,464,302.83-743,965.11

Finding the Fourth Proportional to 1,643,116.95, 2,464,302.83 and 743,965.11

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Solution

The fourth proportional to 1,643,116.95, 2,464,302.83 and 743,965.11 is: 1,115,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,116.95 : 2,464,302.83 = 743,965.11 : x
  2. Step 2: Convert to fraction form
    1,643,116.95/2,464,302.83 = 743,965.11/x
  3. Step 3: Cross multiply
    1,643,116.95x = 2,464,302.83 × 743,965.11
  4. Step 4: Simplify right side
    1,643,116.95x = 1,833,355,322,274.44
  5. Step 5: Solve for x
    x = 1,833,355,322,274.44/1,643,116.95
  6. Step 6: Final answer
    x = 1,115,778.96

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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.