Home / 1,315,729.56-1,815,750.72-806,333.52

Finding the Fourth Proportional to 1,315,729.56, 1,815,750.72 and 806,333.52

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Solution

The fourth proportional to 1,315,729.56, 1,815,750.72 and 806,333.52 is: 1,112,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,729.56 : 1,815,750.72 = 806,333.52 : x
  2. Step 2: Convert to fraction form
    1,315,729.56/1,815,750.72 = 806,333.52/x
  3. Step 3: Cross multiply
    1,315,729.56x = 1,815,750.72 × 806,333.52
  4. Step 4: Simplify right side
    1,315,729.56x = 1,464,100,669,500.13
  5. Step 5: Solve for x
    x = 1,464,100,669,500.13/1,315,729.56
  6. Step 6: Final answer
    x = 1,112,767.18

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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.