Home / 1,150,633.09-1,587,884.20-634,405.51

Finding the Fourth Proportional to 1,150,633.09, 1,587,884.20 and 634,405.51

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Solution

The fourth proportional to 1,150,633.09, 1,587,884.20 and 634,405.51 is: 875,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,633.09 : 1,587,884.20 = 634,405.51 : x
  2. Step 2: Convert to fraction form
    1,150,633.09/1,587,884.20 = 634,405.51/x
  3. Step 3: Cross multiply
    1,150,633.09x = 1,587,884.20 × 634,405.51
  4. Step 4: Simplify right side
    1,150,633.09x = 1,007,362,486,120.78
  5. Step 5: Solve for x
    x = 1,007,362,486,120.78/1,150,633.09
  6. Step 6: Final answer
    x = 875,485.41

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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.