Home / 1,786,142.90-2,464,820.34-1,022,180.06

Finding the Fourth Proportional to 1,786,142.90, 2,464,820.34 and 1,022,180.06

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Solution

The fourth proportional to 1,786,142.90, 2,464,820.34 and 1,022,180.06 is: 1,410,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,142.90 : 2,464,820.34 = 1,022,180.06 : x
  2. Step 2: Convert to fraction form
    1,786,142.90/2,464,820.34 = 1,022,180.06/x
  3. Step 3: Cross multiply
    1,786,142.90x = 2,464,820.34 × 1,022,180.06
  4. Step 4: Simplify right side
    1,786,142.90x = 2,519,490,203,030.42
  5. Step 5: Solve for x
    x = 2,519,490,203,030.42/1,786,142.90
  6. Step 6: Final answer
    x = 1,410,575.94

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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.