Home / 1,353,114.74-1,867,298.24-809,250.51

Finding the Fourth Proportional to 1,353,114.74, 1,867,298.24 and 809,250.51

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Solution

The fourth proportional to 1,353,114.74, 1,867,298.24 and 809,250.51 is: 1,116,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,114.74 : 1,867,298.24 = 809,250.51 : x
  2. Step 2: Convert to fraction form
    1,353,114.74/1,867,298.24 = 809,250.51/x
  3. Step 3: Cross multiply
    1,353,114.74x = 1,867,298.24 × 809,250.51
  4. Step 4: Simplify right side
    1,353,114.74x = 1,511,112,048,995.85
  5. Step 5: Solve for x
    x = 1,511,112,048,995.85/1,353,114.74
  6. Step 6: Final answer
    x = 1,116,765.64

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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.