Home / 1,275,951.51-1,760,812.11-702,991.69

Finding the Fourth Proportional to 1,275,951.51, 1,760,812.11 and 702,991.69

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Solution

The fourth proportional to 1,275,951.51, 1,760,812.11 and 702,991.69 is: 970,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,951.51 : 1,760,812.11 = 702,991.69 : x
  2. Step 2: Convert to fraction form
    1,275,951.51/1,760,812.11 = 702,991.69/x
  3. Step 3: Cross multiply
    1,275,951.51x = 1,760,812.11 × 702,991.69
  4. Step 4: Simplify right side
    1,275,951.51x = 1,237,836,276,579.34
  5. Step 5: Solve for x
    x = 1,237,836,276,579.34/1,275,951.51
  6. Step 6: Final answer
    x = 970,127.99

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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.