Home / 1,512,066.90-2,268,100.37-976,689.30

Finding the Fourth Proportional to 1,512,066.90, 2,268,100.37 and 976,689.30

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Solution

The fourth proportional to 1,512,066.90, 2,268,100.37 and 976,689.30 is: 1,465,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,066.90 : 2,268,100.37 = 976,689.30 : x
  2. Step 2: Convert to fraction form
    1,512,066.90/2,268,100.37 = 976,689.30/x
  3. Step 3: Cross multiply
    1,512,066.90x = 2,268,100.37 × 976,689.30
  4. Step 4: Simplify right side
    1,512,066.90x = 2,215,229,357,821.59
  5. Step 5: Solve for x
    x = 2,215,229,357,821.59/1,512,066.90
  6. Step 6: Final answer
    x = 1,465,033.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.