Home / 1,279,012.72-1,765,037.84-706,053.28

Finding the Fourth Proportional to 1,279,012.72, 1,765,037.84 and 706,053.28

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Solution

The fourth proportional to 1,279,012.72, 1,765,037.84 and 706,053.28 is: 974,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,012.72 : 1,765,037.84 = 706,053.28 : x
  2. Step 2: Convert to fraction form
    1,279,012.72/1,765,037.84 = 706,053.28/x
  3. Step 3: Cross multiply
    1,279,012.72x = 1,765,037.84 × 706,053.28
  4. Step 4: Simplify right side
    1,279,012.72x = 1,246,210,756,256.12
  5. Step 5: Solve for x
    x = 1,246,210,756,256.12/1,279,012.72
  6. Step 6: Final answer
    x = 974,353.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.