Home / 1,071,829.56-1,606,521.30-431,723.58

Finding the Fourth Proportional to 1,071,829.56, 1,606,521.30 and 431,723.58

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Solution

The fourth proportional to 1,071,829.56, 1,606,521.30 and 431,723.58 is: 647,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,829.56 : 1,606,521.30 = 431,723.58 : x
  2. Step 2: Convert to fraction form
    1,071,829.56/1,606,521.30 = 431,723.58/x
  3. Step 3: Cross multiply
    1,071,829.56x = 1,606,521.30 × 431,723.58
  4. Step 4: Simplify right side
    1,071,829.56x = 693,573,126,982.25
  5. Step 5: Solve for x
    x = 693,573,126,982.25/1,071,829.56
  6. Step 6: Final answer
    x = 647,092.74

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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.