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Finding the Fourth Proportional to 1,330,683, 1,836,342.54 and 727,071

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Solution

The fourth proportional to 1,330,683, 1,836,342.54 and 727,071 is: 1,003,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,683 : 1,836,342.54 = 727,071 : x
  2. Step 2: Convert to fraction form
    1,330,683/1,836,342.54 = 727,071/x
  3. Step 3: Cross multiply
    1,330,683x = 1,836,342.54 × 727,071
  4. Step 4: Simplify right side
    1,330,683x = 1,335,151,406,900.34
  5. Step 5: Solve for x
    x = 1,335,151,406,900.34/1,330,683
  6. Step 6: Final answer
    x = 1,003,357.98

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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.