Home / 1,213,004.03-1,673,429.24-890,153.15

Finding the Fourth Proportional to 1,213,004.03, 1,673,429.24 and 890,153.15

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Solution

The fourth proportional to 1,213,004.03, 1,673,429.24 and 890,153.15 is: 1,228,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,004.03 : 1,673,429.24 = 890,153.15 : x
  2. Step 2: Convert to fraction form
    1,213,004.03/1,673,429.24 = 890,153.15/x
  3. Step 3: Cross multiply
    1,213,004.03x = 1,673,429.24 × 890,153.15
  4. Step 4: Simplify right side
    1,213,004.03x = 1,489,608,304,837.34
  5. Step 5: Solve for x
    x = 1,489,608,304,837.34/1,213,004.03
  6. Step 6: Final answer
    x = 1,228,032.45

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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.