Home / 1,642,475.45-2,266,569.79-917,301.89

Finding the Fourth Proportional to 1,642,475.45, 2,266,569.79 and 917,301.89

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Solution

The fourth proportional to 1,642,475.45, 2,266,569.79 and 917,301.89 is: 1,265,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,475.45 : 2,266,569.79 = 917,301.89 : x
  2. Step 2: Convert to fraction form
    1,642,475.45/2,266,569.79 = 917,301.89/x
  3. Step 3: Cross multiply
    1,642,475.45x = 2,266,569.79 × 917,301.89
  4. Step 4: Simplify right side
    1,642,475.45x = 2,079,128,738,557.80
  5. Step 5: Solve for x
    x = 2,079,128,738,557.80/1,642,475.45
  6. Step 6: Final answer
    x = 1,265,850.73

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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.