Home / 1,213,893.18-1,675,172.72-670,029.10

Finding the Fourth Proportional to 1,213,893.18, 1,675,172.72 and 670,029.10

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Solution

The fourth proportional to 1,213,893.18, 1,675,172.72 and 670,029.10 is: 924,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,893.18 : 1,675,172.72 = 670,029.10 : x
  2. Step 2: Convert to fraction form
    1,213,893.18/1,675,172.72 = 670,029.10/x
  3. Step 3: Cross multiply
    1,213,893.18x = 1,675,172.72 × 670,029.10
  4. Step 4: Simplify right side
    1,213,893.18x = 1,122,414,469,926.15
  5. Step 5: Solve for x
    x = 1,122,414,469,926.15/1,213,893.18
  6. Step 6: Final answer
    x = 924,640.23

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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.