Home / 1,480,374.78-2,220,230.01-680,888.22

Finding the Fourth Proportional to 1,480,374.78, 2,220,230.01 and 680,888.22

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Solution

The fourth proportional to 1,480,374.78, 2,220,230.01 and 680,888.22 is: 1,021,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,374.78 : 2,220,230.01 = 680,888.22 : x
  2. Step 2: Convert to fraction form
    1,480,374.78/2,220,230.01 = 680,888.22/x
  3. Step 3: Cross multiply
    1,480,374.78x = 2,220,230.01 × 680,888.22
  4. Step 4: Simplify right side
    1,480,374.78x = 1,511,728,459,499.48
  5. Step 5: Solve for x
    x = 1,511,728,459,499.48/1,480,374.78
  6. Step 6: Final answer
    x = 1,021,179.56

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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.