Home / 1,272,662.82-1,756,270.35-699,701.22

Finding the Fourth Proportional to 1,272,662.82, 1,756,270.35 and 699,701.22

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Solution

The fourth proportional to 1,272,662.82, 1,756,270.35 and 699,701.22 is: 965,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,662.82 : 1,756,270.35 = 699,701.22 : x
  2. Step 2: Convert to fraction form
    1,272,662.82/1,756,270.35 = 699,701.22/x
  3. Step 3: Cross multiply
    1,272,662.82x = 1,756,270.35 × 699,701.22
  4. Step 4: Simplify right side
    1,272,662.82x = 1,228,864,506,544.83
  5. Step 5: Solve for x
    x = 1,228,864,506,544.83/1,272,662.82
  6. Step 6: Final answer
    x = 965,585.30

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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.