Home / 1,270,412.87-1,753,172.73-697,489.92

Finding the Fourth Proportional to 1,270,412.87, 1,753,172.73 and 697,489.92

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Solution

The fourth proportional to 1,270,412.87, 1,753,172.73 and 697,489.92 is: 962,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,412.87 : 1,753,172.73 = 697,489.92 : x
  2. Step 2: Convert to fraction form
    1,270,412.87/1,753,172.73 = 697,489.92/x
  3. Step 3: Cross multiply
    1,270,412.87x = 1,753,172.73 × 697,489.92
  4. Step 4: Simplify right side
    1,270,412.87x = 1,222,820,307,193.88
  5. Step 5: Solve for x
    x = 1,222,820,307,193.88/1,270,412.87
  6. Step 6: Final answer
    x = 962,537.72

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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.