Home / 1,540,788.03-2,126,968.52-920,811.92

Finding the Fourth Proportional to 1,540,788.03, 2,126,968.52 and 920,811.92

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Solution

The fourth proportional to 1,540,788.03, 2,126,968.52 and 920,811.92 is: 1,271,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,788.03 : 2,126,968.52 = 920,811.92 : x
  2. Step 2: Convert to fraction form
    1,540,788.03/2,126,968.52 = 920,811.92/x
  3. Step 3: Cross multiply
    1,540,788.03x = 2,126,968.52 × 920,811.92
  4. Step 4: Simplify right side
    1,540,788.03x = 1,958,537,951,441.86
  5. Step 5: Solve for x
    x = 1,958,537,951,441.86/1,540,788.03
  6. Step 6: Final answer
    x = 1,271,127.44

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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.