Home / 1,485,776.45-2,050,379.68-806,712.95

Finding the Fourth Proportional to 1,485,776.45, 2,050,379.68 and 806,712.95

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Solution

The fourth proportional to 1,485,776.45, 2,050,379.68 and 806,712.95 is: 1,113,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,776.45 : 2,050,379.68 = 806,712.95 : x
  2. Step 2: Convert to fraction form
    1,485,776.45/2,050,379.68 = 806,712.95/x
  3. Step 3: Cross multiply
    1,485,776.45x = 2,050,379.68 × 806,712.95
  4. Step 4: Simplify right side
    1,485,776.45x = 1,654,067,830,020.96
  5. Step 5: Solve for x
    x = 1,654,067,830,020.96/1,485,776.45
  6. Step 6: Final answer
    x = 1,113,268.31

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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.