Home / 1,628,015.34-2,442,028.54-680,721.96

Finding the Fourth Proportional to 1,628,015.34, 2,442,028.54 and 680,721.96

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Solution

The fourth proportional to 1,628,015.34, 2,442,028.54 and 680,721.96 is: 1,021,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,015.34 : 2,442,028.54 = 680,721.96 : x
  2. Step 2: Convert to fraction form
    1,628,015.34/2,442,028.54 = 680,721.96/x
  3. Step 3: Cross multiply
    1,628,015.34x = 2,442,028.54 × 680,721.96
  4. Step 4: Simplify right side
    1,628,015.34x = 1,662,342,454,124.74
  5. Step 5: Solve for x
    x = 1,662,342,454,124.74/1,628,015.34
  6. Step 6: Final answer
    x = 1,021,085.25

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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.