Home / 1,043,642.82-1,565,687.37-323,968.74

Finding the Fourth Proportional to 1,043,642.82, 1,565,687.37 and 323,968.74

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Solution

The fourth proportional to 1,043,642.82, 1,565,687.37 and 323,968.74 is: 486,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,642.82 : 1,565,687.37 = 323,968.74 : x
  2. Step 2: Convert to fraction form
    1,043,642.82/1,565,687.37 = 323,968.74/x
  3. Step 3: Cross multiply
    1,043,642.82x = 1,565,687.37 × 323,968.74
  4. Step 4: Simplify right side
    1,043,642.82x = 507,233,764,492.81
  5. Step 5: Solve for x
    x = 507,233,764,492.81/1,043,642.82
  6. Step 6: Final answer
    x = 486,022.38

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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.