Home / 1,642,751.91-2,266,773.53-917,507.07

Finding the Fourth Proportional to 1,642,751.91, 2,266,773.53 and 917,507.07

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Solution

The fourth proportional to 1,642,751.91, 2,266,773.53 and 917,507.07 is: 1,266,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,751.91 : 2,266,773.53 = 917,507.07 : x
  2. Step 2: Convert to fraction form
    1,642,751.91/2,266,773.53 = 917,507.07/x
  3. Step 3: Cross multiply
    1,642,751.91x = 2,266,773.53 × 917,507.07
  4. Step 4: Simplify right side
    1,642,751.91x = 2,079,780,735,276.32
  5. Step 5: Solve for x
    x = 2,079,780,735,276.32/1,642,751.91
  6. Step 6: Final answer
    x = 1,266,034.59

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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.