Home / 1,174,261.44-1,620,480.72-665,062.24

Finding the Fourth Proportional to 1,174,261.44, 1,620,480.72 and 665,062.24

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Solution

The fourth proportional to 1,174,261.44, 1,620,480.72 and 665,062.24 is: 917,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,261.44 : 1,620,480.72 = 665,062.24 : x
  2. Step 2: Convert to fraction form
    1,174,261.44/1,620,480.72 = 665,062.24/x
  3. Step 3: Cross multiply
    1,174,261.44x = 1,620,480.72 × 665,062.24
  4. Step 4: Simplify right side
    1,174,261.44x = 1,077,720,537,520.01
  5. Step 5: Solve for x
    x = 1,077,720,537,520.01/1,174,261.44
  6. Step 6: Final answer
    x = 917,785.85

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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.