Home / 1,279,607.42-1,765,847.18-706,635.29

Finding the Fourth Proportional to 1,279,607.42, 1,765,847.18 and 706,635.29

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Solution

The fourth proportional to 1,279,607.42, 1,765,847.18 and 706,635.29 is: 975,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,607.42 : 1,765,847.18 = 706,635.29 : x
  2. Step 2: Convert to fraction form
    1,279,607.42/1,765,847.18 = 706,635.29/x
  3. Step 3: Cross multiply
    1,279,607.42x = 1,765,847.18 × 706,635.29
  4. Step 4: Simplify right side
    1,279,607.42x = 1,247,809,940,316.19
  5. Step 5: Solve for x
    x = 1,247,809,940,316.19/1,279,607.42
  6. Step 6: Final answer
    x = 975,150.60

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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.