Home / 1,815,436.48-2,505,638.28-1,051,489.84

Finding the Fourth Proportional to 1,815,436.48, 2,505,638.28 and 1,051,489.84

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Solution

The fourth proportional to 1,815,436.48, 2,505,638.28 and 1,051,489.84 is: 1,451,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,436.48 : 2,505,638.28 = 1,051,489.84 : x
  2. Step 2: Convert to fraction form
    1,815,436.48/2,505,638.28 = 1,051,489.84/x
  3. Step 3: Cross multiply
    1,815,436.48x = 2,505,638.28 × 1,051,489.84
  4. Step 4: Simplify right side
    1,815,436.48x = 2,634,653,194,135.08
  5. Step 5: Solve for x
    x = 2,634,653,194,135.08/1,815,436.48
  6. Step 6: Final answer
    x = 1,451,250.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.