Home / 1,071,826.92-1,606,517.37-431,720.96

Finding the Fourth Proportional to 1,071,826.92, 1,606,517.37 and 431,720.96

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Solution

The fourth proportional to 1,071,826.92, 1,606,517.37 and 431,720.96 is: 647,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,826.92 : 1,606,517.37 = 431,720.96 : x
  2. Step 2: Convert to fraction form
    1,071,826.92/1,606,517.37 = 431,720.96/x
  3. Step 3: Cross multiply
    1,071,826.92x = 1,606,517.37 × 431,720.96
  4. Step 4: Simplify right side
    1,071,826.92x = 693,567,213,200.49
  5. Step 5: Solve for x
    x = 693,567,213,200.49/1,071,826.92
  6. Step 6: Final answer
    x = 647,088.82

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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.