Home / 1,440,654.86-2,161,355.94-766,181.57

Finding the Fourth Proportional to 1,440,654.86, 2,161,355.94 and 766,181.57

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Solution

The fourth proportional to 1,440,654.86, 2,161,355.94 and 766,181.57 is: 1,149,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,654.86 : 2,161,355.94 = 766,181.57 : x
  2. Step 2: Convert to fraction form
    1,440,654.86/2,161,355.94 = 766,181.57/x
  3. Step 3: Cross multiply
    1,440,654.86x = 2,161,355.94 × 766,181.57
  4. Step 4: Simplify right side
    1,440,654.86x = 1,655,991,076,631.25
  5. Step 5: Solve for x
    x = 1,655,991,076,631.25/1,440,654.86
  6. Step 6: Final answer
    x = 1,149,471.06

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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.