Home / 1,059,115.09-1,462,282.67-813,662.72

Finding the Fourth Proportional to 1,059,115.09, 1,462,282.67 and 813,662.72

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Solution

The fourth proportional to 1,059,115.09, 1,462,282.67 and 813,662.72 is: 1,123,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,115.09 : 1,462,282.67 = 813,662.72 : x
  2. Step 2: Convert to fraction form
    1,059,115.09/1,462,282.67 = 813,662.72/x
  3. Step 3: Cross multiply
    1,059,115.09x = 1,462,282.67 × 813,662.72
  4. Step 4: Simplify right side
    1,059,115.09x = 1,189,804,890,612.75
  5. Step 5: Solve for x
    x = 1,189,804,890,612.75/1,059,115.09
  6. Step 6: Final answer
    x = 1,123,395.28

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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.