Home / 1,611,958.52-2,415,944.78-813,468.44

Finding the Fourth Proportional to 1,611,958.52, 2,415,944.78 and 813,468.44

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Solution

The fourth proportional to 1,611,958.52, 2,415,944.78 and 813,468.44 is: 1,219,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,958.52 : 2,415,944.78 = 813,468.44 : x
  2. Step 2: Convert to fraction form
    1,611,958.52/2,415,944.78 = 813,468.44/x
  3. Step 3: Cross multiply
    1,611,958.52x = 2,415,944.78 × 813,468.44
  4. Step 4: Simplify right side
    1,611,958.52x = 1,965,294,831,312.74
  5. Step 5: Solve for x
    x = 1,965,294,831,312.74/1,611,958.52
  6. Step 6: Final answer
    x = 1,219,196.90

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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.