Home / 1,611,242.88-2,415,288-665,410.56

Finding the Fourth Proportional to 1,611,242.88, 2,415,288 and 665,410.56

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Solution

The fourth proportional to 1,611,242.88, 2,415,288 and 665,410.56 is: 997,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,242.88 : 2,415,288 = 665,410.56 : x
  2. Step 2: Convert to fraction form
    1,611,242.88/2,415,288 = 665,410.56/x
  3. Step 3: Cross multiply
    1,611,242.88x = 2,415,288 × 665,410.56
  4. Step 4: Simplify right side
    1,611,242.88x = 1,607,158,140,641.28
  5. Step 5: Solve for x
    x = 1,607,158,140,641.28/1,611,242.88
  6. Step 6: Final answer
    x = 997,464.85

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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.