Home / 1,275,931.06-1,760,783.89-702,971.23

Finding the Fourth Proportional to 1,275,931.06, 1,760,783.89 and 702,971.23

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Solution

The fourth proportional to 1,275,931.06, 1,760,783.89 and 702,971.23 is: 970,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,931.06 : 1,760,783.89 = 702,971.23 : x
  2. Step 2: Convert to fraction form
    1,275,931.06/1,760,783.89 = 702,971.23/x
  3. Step 3: Cross multiply
    1,275,931.06x = 1,760,783.89 × 702,971.23
  4. Step 4: Simplify right side
    1,275,931.06x = 1,237,780,416,917.48
  5. Step 5: Solve for x
    x = 1,237,780,416,917.48/1,275,931.06
  6. Step 6: Final answer
    x = 970,099.76

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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.