Home / 1,225,202.51-1,690,537.33-741,812.63

Finding the Fourth Proportional to 1,225,202.51, 1,690,537.33 and 741,812.63

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Solution

The fourth proportional to 1,225,202.51, 1,690,537.33 and 741,812.63 is: 1,023,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,202.51 : 1,690,537.33 = 741,812.63 : x
  2. Step 2: Convert to fraction form
    1,225,202.51/1,690,537.33 = 741,812.63/x
  3. Step 3: Cross multiply
    1,225,202.51x = 1,690,537.33 × 741,812.63
  4. Step 4: Simplify right side
    1,225,202.51x = 1,254,061,944,864.33
  5. Step 5: Solve for x
    x = 1,254,061,944,864.33/1,225,202.51
  6. Step 6: Final answer
    x = 1,023,554.83

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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.