Home / 1,413,320.80-1,950,414.78-768,775.45

Finding the Fourth Proportional to 1,413,320.80, 1,950,414.78 and 768,775.45

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Solution

The fourth proportional to 1,413,320.80, 1,950,414.78 and 768,775.45 is: 1,060,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,320.80 : 1,950,414.78 = 768,775.45 : x
  2. Step 2: Convert to fraction form
    1,413,320.80/1,950,414.78 = 768,775.45/x
  3. Step 3: Cross multiply
    1,413,320.80x = 1,950,414.78 × 768,775.45
  4. Step 4: Simplify right side
    1,413,320.80x = 1,499,431,000,181.15
  5. Step 5: Solve for x
    x = 1,499,431,000,181.15/1,413,320.80
  6. Step 6: Final answer
    x = 1,060,927.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.