Home / 1,077,129.22-1,486,350.93-624,449.38

Finding the Fourth Proportional to 1,077,129.22, 1,486,350.93 and 624,449.38

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Solution

The fourth proportional to 1,077,129.22, 1,486,350.93 and 624,449.38 is: 861,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,129.22 : 1,486,350.93 = 624,449.38 : x
  2. Step 2: Convert to fraction form
    1,077,129.22/1,486,350.93 = 624,449.38/x
  3. Step 3: Cross multiply
    1,077,129.22x = 1,486,350.93 × 624,449.38
  4. Step 4: Simplify right side
    1,077,129.22x = 928,150,916,700.92
  5. Step 5: Solve for x
    x = 928,150,916,700.92/1,077,129.22
  6. Step 6: Final answer
    x = 861,689.48

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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.