Home / 1,272,655.82-1,756,271.63-699,732.90

Finding the Fourth Proportional to 1,272,655.82, 1,756,271.63 and 699,732.90

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Solution

The fourth proportional to 1,272,655.82, 1,756,271.63 and 699,732.90 is: 965,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,655.82 : 1,756,271.63 = 699,732.90 : x
  2. Step 2: Convert to fraction form
    1,272,655.82/1,756,271.63 = 699,732.90/x
  3. Step 3: Cross multiply
    1,272,655.82x = 1,756,271.63 × 699,732.90
  4. Step 4: Simplify right side
    1,272,655.82x = 1,228,921,042,596.96
  5. Step 5: Solve for x
    x = 1,228,921,042,596.96/1,272,655.82
  6. Step 6: Final answer
    x = 965,635.03

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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.