Home / 1,642,649.26-2,266,832.10-917,507.29

Finding the Fourth Proportional to 1,642,649.26, 2,266,832.10 and 917,507.29

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Solution

The fourth proportional to 1,642,649.26, 2,266,832.10 and 917,507.29 is: 1,266,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,649.26 : 2,266,832.10 = 917,507.29 : x
  2. Step 2: Convert to fraction form
    1,642,649.26/2,266,832.10 = 917,507.29/x
  3. Step 3: Cross multiply
    1,642,649.26x = 2,266,832.10 × 917,507.29
  4. Step 4: Simplify right side
    1,642,649.26x = 2,079,834,976,956.01
  5. Step 5: Solve for x
    x = 2,079,834,976,956.01/1,642,649.26
  6. Step 6: Final answer
    x = 1,266,146.72

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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.