Home / 1,315,101.64-1,814,736.90-805,734.76

Finding the Fourth Proportional to 1,315,101.64, 1,814,736.90 and 805,734.76

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Solution

The fourth proportional to 1,315,101.64, 1,814,736.90 and 805,734.76 is: 1,111,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,101.64 : 1,814,736.90 = 805,734.76 : x
  2. Step 2: Convert to fraction form
    1,315,101.64/1,814,736.90 = 805,734.76/x
  3. Step 3: Cross multiply
    1,315,101.64x = 1,814,736.90 × 805,734.76
  4. Step 4: Simplify right side
    1,315,101.64x = 1,462,196,600,584.64
  5. Step 5: Solve for x
    x = 1,462,196,600,584.64/1,315,101.64
  6. Step 6: Final answer
    x = 1,111,850.64

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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.