Home / 1,284,493.48-1,927,010.58-485,757.16

Finding the Fourth Proportional to 1,284,493.48, 1,927,010.58 and 485,757.16

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Solution

The fourth proportional to 1,284,493.48, 1,927,010.58 and 485,757.16 is: 728,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,493.48 : 1,927,010.58 = 485,757.16 : x
  2. Step 2: Convert to fraction form
    1,284,493.48/1,927,010.58 = 485,757.16/x
  3. Step 3: Cross multiply
    1,284,493.48x = 1,927,010.58 × 485,757.16
  4. Step 4: Simplify right side
    1,284,493.48x = 936,059,186,630.75
  5. Step 5: Solve for x
    x = 936,059,186,630.75/1,284,493.48
  6. Step 6: Final answer
    x = 728,737.98

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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.