Home / 1,174,087.56-1,620,247.20-664,889.16

Finding the Fourth Proportional to 1,174,087.56, 1,620,247.20 and 664,889.16

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Solution

The fourth proportional to 1,174,087.56, 1,620,247.20 and 664,889.16 is: 917,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,087.56 : 1,620,247.20 = 664,889.16 : x
  2. Step 2: Convert to fraction form
    1,174,087.56/1,620,247.20 = 664,889.16/x
  3. Step 3: Cross multiply
    1,174,087.56x = 1,620,247.20 × 664,889.16
  4. Step 4: Simplify right side
    1,174,087.56x = 1,077,284,799,800.35
  5. Step 5: Solve for x
    x = 1,077,284,799,800.35/1,174,087.56
  6. Step 6: Final answer
    x = 917,550.65

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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.