Home / 1,386,297.09-2,079,682.07-618,073.54

Finding the Fourth Proportional to 1,386,297.09, 2,079,682.07 and 618,073.54

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Solution

The fourth proportional to 1,386,297.09, 2,079,682.07 and 618,073.54 is: 927,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,297.09 : 2,079,682.07 = 618,073.54 : x
  2. Step 2: Convert to fraction form
    1,386,297.09/2,079,682.07 = 618,073.54/x
  3. Step 3: Cross multiply
    1,386,297.09x = 2,079,682.07 × 618,073.54
  4. Step 4: Simplify right side
    1,386,297.09x = 1,285,396,459,079.43
  5. Step 5: Solve for x
    x = 1,285,396,459,079.43/1,386,297.09
  6. Step 6: Final answer
    x = 927,215.72

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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.