Home / 1,042,507.32-1,438,884.48-634,743.60

Finding the Fourth Proportional to 1,042,507.32, 1,438,884.48 and 634,743.60

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Solution

The fourth proportional to 1,042,507.32, 1,438,884.48 and 634,743.60 is: 876,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,507.32 : 1,438,884.48 = 634,743.60 : x
  2. Step 2: Convert to fraction form
    1,042,507.32/1,438,884.48 = 634,743.60/x
  3. Step 3: Cross multiply
    1,042,507.32x = 1,438,884.48 × 634,743.60
  4. Step 4: Simplify right side
    1,042,507.32x = 913,322,714,819.33
  5. Step 5: Solve for x
    x = 913,322,714,819.33/1,042,507.32
  6. Step 6: Final answer
    x = 876,082.78

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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.