Home / 1,270,120.48-1,752,771.90-697,165.36

Finding the Fourth Proportional to 1,270,120.48, 1,752,771.90 and 697,165.36

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Solution

The fourth proportional to 1,270,120.48, 1,752,771.90 and 697,165.36 is: 962,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,120.48 : 1,752,771.90 = 697,165.36 : x
  2. Step 2: Convert to fraction form
    1,270,120.48/1,752,771.90 = 697,165.36/x
  3. Step 3: Cross multiply
    1,270,120.48x = 1,752,771.90 × 697,165.36
  4. Step 4: Simplify right side
    1,270,120.48x = 1,221,971,852,661.38
  5. Step 5: Solve for x
    x = 1,221,971,852,661.38/1,270,120.48
  6. Step 6: Final answer
    x = 962,091.29

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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.