Home / 1,775,931.96-2,662,832.40-815,185.56

Finding the Fourth Proportional to 1,775,931.96, 2,662,832.40 and 815,185.56

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Solution

The fourth proportional to 1,775,931.96, 2,662,832.40 and 815,185.56 is: 1,222,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,931.96 : 2,662,832.40 = 815,185.56 : x
  2. Step 2: Convert to fraction form
    1,775,931.96/2,662,832.40 = 815,185.56/x
  3. Step 3: Cross multiply
    1,775,931.96x = 2,662,832.40 × 815,185.56
  4. Step 4: Simplify right side
    1,775,931.96x = 2,170,702,521,180.14
  5. Step 5: Solve for x
    x = 2,170,702,521,180.14/1,775,931.96
  6. Step 6: Final answer
    x = 1,222,289.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.