Home / 1,313,669.66-1,812,554.82-797,410.76

Finding the Fourth Proportional to 1,313,669.66, 1,812,554.82 and 797,410.76

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Solution

The fourth proportional to 1,313,669.66, 1,812,554.82 and 797,410.76 is: 1,100,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,669.66 : 1,812,554.82 = 797,410.76 : x
  2. Step 2: Convert to fraction form
    1,313,669.66/1,812,554.82 = 797,410.76/x
  3. Step 3: Cross multiply
    1,313,669.66x = 1,812,554.82 × 797,410.76
  4. Step 4: Simplify right side
    1,313,669.66x = 1,445,350,707,495.09
  5. Step 5: Solve for x
    x = 1,445,350,707,495.09/1,313,669.66
  6. Step 6: Final answer
    x = 1,100,239.09

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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.