Home / 1,283,233.89-1,771,049.31-739,263.81

Finding the Fourth Proportional to 1,283,233.89, 1,771,049.31 and 739,263.81

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Solution

The fourth proportional to 1,283,233.89, 1,771,049.31 and 739,263.81 is: 1,020,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,233.89 : 1,771,049.31 = 739,263.81 : x
  2. Step 2: Convert to fraction form
    1,283,233.89/1,771,049.31 = 739,263.81/x
  3. Step 3: Cross multiply
    1,283,233.89x = 1,771,049.31 × 739,263.81
  4. Step 4: Simplify right side
    1,283,233.89x = 1,309,272,660,608.47
  5. Step 5: Solve for x
    x = 1,309,272,660,608.47/1,283,233.89
  6. Step 6: Final answer
    x = 1,020,291.52

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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.