Home / 1,661,677.96-2,491,520.48-761,992.63

Finding the Fourth Proportional to 1,661,677.96, 2,491,520.48 and 761,992.63

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Solution

The fourth proportional to 1,661,677.96, 2,491,520.48 and 761,992.63 is: 1,142,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,677.96 : 2,491,520.48 = 761,992.63 : x
  2. Step 2: Convert to fraction form
    1,661,677.96/2,491,520.48 = 761,992.63/x
  3. Step 3: Cross multiply
    1,661,677.96x = 2,491,520.48 × 761,992.63
  4. Step 4: Simplify right side
    1,661,677.96x = 1,898,520,226,986.50
  5. Step 5: Solve for x
    x = 1,898,520,226,986.50/1,661,677.96
  6. Step 6: Final answer
    x = 1,142,531.99

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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.