Home / 1,639,881.15-2,264,089.64-1,028,872.23

Finding the Fourth Proportional to 1,639,881.15, 2,264,089.64 and 1,028,872.23

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Solution

The fourth proportional to 1,639,881.15, 2,264,089.64 and 1,028,872.23 is: 1,420,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,881.15 : 2,264,089.64 = 1,028,872.23 : x
  2. Step 2: Convert to fraction form
    1,639,881.15/2,264,089.64 = 1,028,872.23/x
  3. Step 3: Cross multiply
    1,639,881.15x = 2,264,089.64 × 1,028,872.23
  4. Step 4: Simplify right side
    1,639,881.15x = 2,329,458,951,682.34
  5. Step 5: Solve for x
    x = 2,329,458,951,682.34/1,639,881.15
  6. Step 6: Final answer
    x = 1,420,504.74

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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.