Home / 1,071,832.56-1,606,525.80-431,726.58

Finding the Fourth Proportional to 1,071,832.56, 1,606,525.80 and 431,726.58

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Solution

The fourth proportional to 1,071,832.56, 1,606,525.80 and 431,726.58 is: 647,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,832.56 : 1,606,525.80 = 431,726.58 : x
  2. Step 2: Convert to fraction form
    1,071,832.56/1,606,525.80 = 431,726.58/x
  3. Step 3: Cross multiply
    1,071,832.56x = 1,606,525.80 × 431,726.58
  4. Step 4: Simplify right side
    1,071,832.56x = 693,579,889,315.76
  5. Step 5: Solve for x
    x = 693,579,889,315.76/1,071,832.56
  6. Step 6: Final answer
    x = 647,097.24

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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.