Home / 1,021,905.82-1,410,162.56-613,765.15

Finding the Fourth Proportional to 1,021,905.82, 1,410,162.56 and 613,765.15

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Solution

The fourth proportional to 1,021,905.82, 1,410,162.56 and 613,765.15 is: 846,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,905.82 : 1,410,162.56 = 613,765.15 : x
  2. Step 2: Convert to fraction form
    1,021,905.82/1,410,162.56 = 613,765.15/x
  3. Step 3: Cross multiply
    1,021,905.82x = 1,410,162.56 × 613,765.15
  4. Step 4: Simplify right side
    1,021,905.82x = 865,508,634,322.60
  5. Step 5: Solve for x
    x = 865,508,634,322.60/1,021,905.82
  6. Step 6: Final answer
    x = 846,955.38

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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.