Home / 1,665,540.48-2,497,936.98-766,118.40

Finding the Fourth Proportional to 1,665,540.48, 2,497,936.98 and 766,118.40

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Solution

The fourth proportional to 1,665,540.48, 2,497,936.98 and 766,118.40 is: 1,149,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,540.48 : 2,497,936.98 = 766,118.40 : x
  2. Step 2: Convert to fraction form
    1,665,540.48/2,497,936.98 = 766,118.40/x
  3. Step 3: Cross multiply
    1,665,540.48x = 2,497,936.98 × 766,118.40
  4. Step 4: Simplify right side
    1,665,540.48x = 1,913,715,482,418.43
  5. Step 5: Solve for x
    x = 1,913,715,482,418.43/1,665,540.48
  6. Step 6: Final answer
    x = 1,149,005.69

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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.