Home / 1,110,083.90-1,665,790.16-478,997.73

Finding the Fourth Proportional to 1,110,083.90, 1,665,790.16 and 478,997.73

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Solution

The fourth proportional to 1,110,083.90, 1,665,790.16 and 478,997.73 is: 718,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,083.90 : 1,665,790.16 = 478,997.73 : x
  2. Step 2: Convert to fraction form
    1,110,083.90/1,665,790.16 = 478,997.73/x
  3. Step 3: Cross multiply
    1,110,083.90x = 1,665,790.16 × 478,997.73
  4. Step 4: Simplify right side
    1,110,083.90x = 797,909,702,901.35
  5. Step 5: Solve for x
    x = 797,909,702,901.35/1,110,083.90
  6. Step 6: Final answer
    x = 718,783.24

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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.