Home / 1,359,217.45-2,036,072.34-628,702.43

Finding the Fourth Proportional to 1,359,217.45, 2,036,072.34 and 628,702.43

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Solution

The fourth proportional to 1,359,217.45, 2,036,072.34 and 628,702.43 is: 941,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,217.45 : 2,036,072.34 = 628,702.43 : x
  2. Step 2: Convert to fraction form
    1,359,217.45/2,036,072.34 = 628,702.43/x
  3. Step 3: Cross multiply
    1,359,217.45x = 2,036,072.34 × 628,702.43
  4. Step 4: Simplify right side
    1,359,217.45x = 1,280,083,617,633.42
  5. Step 5: Solve for x
    x = 1,280,083,617,633.42/1,359,217.45
  6. Step 6: Final answer
    x = 941,779.86

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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.