Home / 1,642,180.50-2,266,187.68-917,040.96

Finding the Fourth Proportional to 1,642,180.50, 2,266,187.68 and 917,040.96

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Solution

The fourth proportional to 1,642,180.50, 2,266,187.68 and 917,040.96 is: 1,265,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,180.50 : 2,266,187.68 = 917,040.96 : x
  2. Step 2: Convert to fraction form
    1,642,180.50/2,266,187.68 = 917,040.96/x
  3. Step 3: Cross multiply
    1,642,180.50x = 2,266,187.68 × 917,040.96
  4. Step 4: Simplify right side
    1,642,180.50x = 2,078,186,925,607.37
  5. Step 5: Solve for x
    x = 2,078,186,925,607.37/1,642,180.50
  6. Step 6: Final answer
    x = 1,265,504.57

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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.