Home / 1,254,412.96-1,731,091.36-681,453.12

Finding the Fourth Proportional to 1,254,412.96, 1,731,091.36 and 681,453.12

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Solution

The fourth proportional to 1,254,412.96, 1,731,091.36 and 681,453.12 is: 940,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,412.96 : 1,731,091.36 = 681,453.12 : x
  2. Step 2: Convert to fraction form
    1,254,412.96/1,731,091.36 = 681,453.12/x
  3. Step 3: Cross multiply
    1,254,412.96x = 1,731,091.36 × 681,453.12
  4. Step 4: Simplify right side
    1,254,412.96x = 1,179,657,608,277.04
  5. Step 5: Solve for x
    x = 1,179,657,608,277.04/1,254,412.96
  6. Step 6: Final answer
    x = 940,406.11

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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.