Home / 1,642,647.26-2,266,829.34-917,505.29

Finding the Fourth Proportional to 1,642,647.26, 2,266,829.34 and 917,505.29

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Solution

The fourth proportional to 1,642,647.26, 2,266,829.34 and 917,505.29 is: 1,266,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,647.26 : 2,266,829.34 = 917,505.29 : x
  2. Step 2: Convert to fraction form
    1,642,647.26/2,266,829.34 = 917,505.29/x
  3. Step 3: Cross multiply
    1,642,647.26x = 2,266,829.34 × 917,505.29
  4. Step 4: Simplify right side
    1,642,647.26x = 2,079,827,910,977.21
  5. Step 5: Solve for x
    x = 2,079,827,910,977.21/1,642,647.26
  6. Step 6: Final answer
    x = 1,266,143.96

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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.