Home / 1,270,089.20-1,752,716.94-697,139.12

Finding the Fourth Proportional to 1,270,089.20, 1,752,716.94 and 697,139.12

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Solution

The fourth proportional to 1,270,089.20, 1,752,716.94 and 697,139.12 is: 962,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,089.20 : 1,752,716.94 = 697,139.12 : x
  2. Step 2: Convert to fraction form
    1,270,089.20/1,752,716.94 = 697,139.12/x
  3. Step 3: Cross multiply
    1,270,089.20x = 1,752,716.94 × 697,139.12
  4. Step 4: Simplify right side
    1,270,089.20x = 1,221,887,545,160.69
  5. Step 5: Solve for x
    x = 1,221,887,545,160.69/1,270,089.20
  6. Step 6: Final answer
    x = 962,048.61

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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.