Home / 1,272,459.04-1,755,958.48-699,499.68

Finding the Fourth Proportional to 1,272,459.04, 1,755,958.48 and 699,499.68

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Solution

The fourth proportional to 1,272,459.04, 1,755,958.48 and 699,499.68 is: 965,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,459.04 : 1,755,958.48 = 699,499.68 : x
  2. Step 2: Convert to fraction form
    1,272,459.04/1,755,958.48 = 699,499.68/x
  3. Step 3: Cross multiply
    1,272,459.04x = 1,755,958.48 × 699,499.68
  4. Step 4: Simplify right side
    1,272,459.04x = 1,228,292,394,853.29
  5. Step 5: Solve for x
    x = 1,228,292,394,853.29/1,272,459.04
  6. Step 6: Final answer
    x = 965,290.32

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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.