Home / 1,642,622.56-2,266,773.06-917,449

Finding the Fourth Proportional to 1,642,622.56, 2,266,773.06 and 917,449

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Solution

The fourth proportional to 1,642,622.56, 2,266,773.06 and 917,449 is: 1,266,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,622.56 : 2,266,773.06 = 917,449 : x
  2. Step 2: Convert to fraction form
    1,642,622.56/2,266,773.06 = 917,449/x
  3. Step 3: Cross multiply
    1,642,622.56x = 2,266,773.06 × 917,449
  4. Step 4: Simplify right side
    1,642,622.56x = 2,079,648,677,123.94
  5. Step 5: Solve for x
    x = 2,079,648,677,123.94/1,642,622.56
  6. Step 6: Final answer
    x = 1,266,053.89

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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.