Home / 1,079,682.30-1,618,141.05-829,122.30

Finding the Fourth Proportional to 1,079,682.30, 1,618,141.05 and 829,122.30

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Solution

The fourth proportional to 1,079,682.30, 1,618,141.05 and 829,122.30 is: 1,242,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,682.30 : 1,618,141.05 = 829,122.30 : x
  2. Step 2: Convert to fraction form
    1,079,682.30/1,618,141.05 = 829,122.30/x
  3. Step 3: Cross multiply
    1,079,682.30x = 1,618,141.05 × 829,122.30
  4. Step 4: Simplify right side
    1,079,682.30x = 1,341,636,829,100.42
  5. Step 5: Solve for x
    x = 1,341,636,829,100.42/1,079,682.30
  6. Step 6: Final answer
    x = 1,242,621.86

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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.