Home / 1,138,741.24-1,571,302.38-648,723.64

Finding the Fourth Proportional to 1,138,741.24, 1,571,302.38 and 648,723.64

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Solution

The fourth proportional to 1,138,741.24, 1,571,302.38 and 648,723.64 is: 895,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,741.24 : 1,571,302.38 = 648,723.64 : x
  2. Step 2: Convert to fraction form
    1,138,741.24/1,571,302.38 = 648,723.64/x
  3. Step 3: Cross multiply
    1,138,741.24x = 1,571,302.38 × 648,723.64
  4. Step 4: Simplify right side
    1,138,741.24x = 1,019,340,999,494.26
  5. Step 5: Solve for x
    x = 1,019,340,999,494.26/1,138,741.24
  6. Step 6: Final answer
    x = 895,147.17

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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.