Home / 987,003.45-1,362,074.15-579,112.23

Finding the Fourth Proportional to 987,003.45, 1,362,074.15 and 579,112.23

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Solution

The fourth proportional to 987,003.45, 1,362,074.15 and 579,112.23 is: 799,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,003.45 : 1,362,074.15 = 579,112.23 : x
  2. Step 2: Convert to fraction form
    987,003.45/1,362,074.15 = 579,112.23/x
  3. Step 3: Cross multiply
    987,003.45x = 1,362,074.15 × 579,112.23
  4. Step 4: Simplify right side
    987,003.45x = 788,793,795,536.29
  5. Step 5: Solve for x
    x = 788,793,795,536.29/987,003.45
  6. Step 6: Final answer
    x = 799,180.38

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1.5x scale

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.