Home / 1,269,830.66-1,751,867.44-725,674.50

Finding the Fourth Proportional to 1,269,830.66, 1,751,867.44 and 725,674.50

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Solution

The fourth proportional to 1,269,830.66, 1,751,867.44 and 725,674.50 is: 1,001,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,830.66 : 1,751,867.44 = 725,674.50 : x
  2. Step 2: Convert to fraction form
    1,269,830.66/1,751,867.44 = 725,674.50/x
  3. Step 3: Cross multiply
    1,269,830.66x = 1,751,867.44 × 725,674.50
  4. Step 4: Simplify right side
    1,269,830.66x = 1,271,285,526,774.09
  5. Step 5: Solve for x
    x = 1,271,285,526,774.09/1,269,830.66
  6. Step 6: Final answer
    x = 1,001,145.72

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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.