Home / 1,279,273.10-1,765,424.40-706,349.48

Finding the Fourth Proportional to 1,279,273.10, 1,765,424.40 and 706,349.48

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Solution

The fourth proportional to 1,279,273.10, 1,765,424.40 and 706,349.48 is: 974,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,273.10 : 1,765,424.40 = 706,349.48 : x
  2. Step 2: Convert to fraction form
    1,279,273.10/1,765,424.40 = 706,349.48/x
  3. Step 3: Cross multiply
    1,279,273.10x = 1,765,424.40 × 706,349.48
  4. Step 4: Simplify right side
    1,279,273.10x = 1,247,006,606,919.31
  5. Step 5: Solve for x
    x = 1,247,006,606,919.31/1,279,273.10
  6. Step 6: Final answer
    x = 974,777.48

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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.