Home / 1,269,830.40-1,751,867.08-725,674.25

Finding the Fourth Proportional to 1,269,830.40, 1,751,867.08 and 725,674.25

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Solution

The fourth proportional to 1,269,830.40, 1,751,867.08 and 725,674.25 is: 1,001,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,830.40 : 1,751,867.08 = 725,674.25 : x
  2. Step 2: Convert to fraction form
    1,269,830.40/1,751,867.08 = 725,674.25/x
  3. Step 3: Cross multiply
    1,269,830.40x = 1,751,867.08 × 725,674.25
  4. Step 4: Simplify right side
    1,269,830.40x = 1,271,284,829,378.69
  5. Step 5: Solve for x
    x = 1,271,284,829,378.69/1,269,830.40
  6. Step 6: Final answer
    x = 1,001,145.37

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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.