Home / 1,425,804.82-2,138,707.26-479,175.57

Finding the Fourth Proportional to 1,425,804.82, 2,138,707.26 and 479,175.57

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Solution

The fourth proportional to 1,425,804.82, 2,138,707.26 and 479,175.57 is: 718,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,804.82 : 2,138,707.26 = 479,175.57 : x
  2. Step 2: Convert to fraction form
    1,425,804.82/2,138,707.26 = 479,175.57/x
  3. Step 3: Cross multiply
    1,425,804.82x = 2,138,707.26 × 479,175.57
  4. Step 4: Simplify right side
    1,425,804.82x = 1,024,816,270,373.64
  5. Step 5: Solve for x
    x = 1,024,816,270,373.64/1,425,804.82
  6. Step 6: Final answer
    x = 718,763.37

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.