Home / 1,007,521.44-1,389,930.23-680,729.27

Finding the Fourth Proportional to 1,007,521.44, 1,389,930.23 and 680,729.27

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Solution

The fourth proportional to 1,007,521.44, 1,389,930.23 and 680,729.27 is: 939,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,521.44 : 1,389,930.23 = 680,729.27 : x
  2. Step 2: Convert to fraction form
    1,007,521.44/1,389,930.23 = 680,729.27/x
  3. Step 3: Cross multiply
    1,007,521.44x = 1,389,930.23 × 680,729.27
  4. Step 4: Simplify right side
    1,007,521.44x = 946,166,180,465.54
  5. Step 5: Solve for x
    x = 946,166,180,465.54/1,007,521.44
  6. Step 6: Final answer
    x = 939,102.78

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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.