Home / 1,692,118.48-2,538,842.34-744,825.12

Finding the Fourth Proportional to 1,692,118.48, 2,538,842.34 and 744,825.12

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Solution

The fourth proportional to 1,692,118.48, 2,538,842.34 and 744,825.12 is: 1,117,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,118.48 : 2,538,842.34 = 744,825.12 : x
  2. Step 2: Convert to fraction form
    1,692,118.48/2,538,842.34 = 744,825.12/x
  3. Step 3: Cross multiply
    1,692,118.48x = 2,538,842.34 × 744,825.12
  4. Step 4: Simplify right side
    1,692,118.48x = 1,890,993,550,551.58
  5. Step 5: Solve for x
    x = 1,890,993,550,551.58/1,692,118.48
  6. Step 6: Final answer
    x = 1,117,530.23

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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.