Home / 1,681,629.44-2,320,699.48-956,581.12

Finding the Fourth Proportional to 1,681,629.44, 2,320,699.48 and 956,581.12

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Solution

The fourth proportional to 1,681,629.44, 2,320,699.48 and 956,581.12 is: 1,320,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,629.44 : 2,320,699.48 = 956,581.12 : x
  2. Step 2: Convert to fraction form
    1,681,629.44/2,320,699.48 = 956,581.12/x
  3. Step 3: Cross multiply
    1,681,629.44x = 2,320,699.48 × 956,581.12
  4. Step 4: Simplify right side
    1,681,629.44x = 2,219,937,307,761.82
  5. Step 5: Solve for x
    x = 2,219,937,307,761.82/1,681,629.44
  6. Step 6: Final answer
    x = 1,320,110.87

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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.