Home / 1,692,493.62-2,539,160.62-839,965.38

Finding the Fourth Proportional to 1,692,493.62, 2,539,160.62 and 839,965.38

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Solution

The fourth proportional to 1,692,493.62, 2,539,160.62 and 839,965.38 is: 1,260,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,493.62 : 2,539,160.62 = 839,965.38 : x
  2. Step 2: Convert to fraction form
    1,692,493.62/2,539,160.62 = 839,965.38/x
  3. Step 3: Cross multiply
    1,692,493.62x = 2,539,160.62 × 839,965.38
  4. Step 4: Simplify right side
    1,692,493.62x = 2,132,807,015,059.34
  5. Step 5: Solve for x
    x = 2,132,807,015,059.34/1,692,493.62
  6. Step 6: Final answer
    x = 1,260,156.61

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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.