Home / 1,213,912.86-1,675,199.88-670,048.80

Finding the Fourth Proportional to 1,213,912.86, 1,675,199.88 and 670,048.80

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Solution

The fourth proportional to 1,213,912.86, 1,675,199.88 and 670,048.80 is: 924,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,912.86 : 1,675,199.88 = 670,048.80 : x
  2. Step 2: Convert to fraction form
    1,213,912.86/1,675,199.88 = 670,048.80/x
  3. Step 3: Cross multiply
    1,213,912.86x = 1,675,199.88 × 670,048.80
  4. Step 4: Simplify right side
    1,213,912.86x = 1,122,465,669,354.14
  5. Step 5: Solve for x
    x = 1,122,465,669,354.14/1,213,912.86
  6. Step 6: Final answer
    x = 924,667.42

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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.