Home / 1,016,034.39-1,521,061.92-678,237.21

Finding the Fourth Proportional to 1,016,034.39, 1,521,061.92 and 678,237.21

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Solution

The fourth proportional to 1,016,034.39, 1,521,061.92 and 678,237.21 is: 1,015,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,034.39 : 1,521,061.92 = 678,237.21 : x
  2. Step 2: Convert to fraction form
    1,016,034.39/1,521,061.92 = 678,237.21/x
  3. Step 3: Cross multiply
    1,016,034.39x = 1,521,061.92 × 678,237.21
  4. Step 4: Simplify right side
    1,016,034.39x = 1,031,640,792,858.04
  5. Step 5: Solve for x
    x = 1,031,640,792,858.04/1,016,034.39
  6. Step 6: Final answer
    x = 1,015,360.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.