Home / 1,283,679.66-1,771,861.95-831,001.26

Finding the Fourth Proportional to 1,283,679.66, 1,771,861.95 and 831,001.26

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Solution

The fourth proportional to 1,283,679.66, 1,771,861.95 and 831,001.26 is: 1,147,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,679.66 : 1,771,861.95 = 831,001.26 : x
  2. Step 2: Convert to fraction form
    1,283,679.66/1,771,861.95 = 831,001.26/x
  3. Step 3: Cross multiply
    1,283,679.66x = 1,771,861.95 × 831,001.26
  4. Step 4: Simplify right side
    1,283,679.66x = 1,472,419,512,996.06
  5. Step 5: Solve for x
    x = 1,472,419,512,996.06/1,283,679.66
  6. Step 6: Final answer
    x = 1,147,030.34

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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.