Home / 1,427,494.96-2,141,802.84-628,215.82

Finding the Fourth Proportional to 1,427,494.96, 2,141,802.84 and 628,215.82

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Solution

The fourth proportional to 1,427,494.96, 2,141,802.84 and 628,215.82 is: 942,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,494.96 : 2,141,802.84 = 628,215.82 : x
  2. Step 2: Convert to fraction form
    1,427,494.96/2,141,802.84 = 628,215.82/x
  3. Step 3: Cross multiply
    1,427,494.96x = 2,141,802.84 × 628,215.82
  4. Step 4: Simplify right side
    1,427,494.96x = 1,345,514,427,408.93
  5. Step 5: Solve for x
    x = 1,345,514,427,408.93/1,427,494.96
  6. Step 6: Final answer
    x = 942,570.35

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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.