Home / 1,049,942.90-1,575,144.03-340,042.70

Finding the Fourth Proportional to 1,049,942.90, 1,575,144.03 and 340,042.70

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Solution

The fourth proportional to 1,049,942.90, 1,575,144.03 and 340,042.70 is: 510,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,942.90 : 1,575,144.03 = 340,042.70 : x
  2. Step 2: Convert to fraction form
    1,049,942.90/1,575,144.03 = 340,042.70/x
  3. Step 3: Cross multiply
    1,049,942.90x = 1,575,144.03 × 340,042.70
  4. Step 4: Simplify right side
    1,049,942.90x = 535,616,220,974.36
  5. Step 5: Solve for x
    x = 535,616,220,974.36/1,049,942.90
  6. Step 6: Final answer
    x = 510,138.43

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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.