Home / 1,213,978.26-1,675,290.34-670,114.41

Finding the Fourth Proportional to 1,213,978.26, 1,675,290.34 and 670,114.41

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Solution

The fourth proportional to 1,213,978.26, 1,675,290.34 and 670,114.41 is: 924,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,978.26 : 1,675,290.34 = 670,114.41 : x
  2. Step 2: Convert to fraction form
    1,213,978.26/1,675,290.34 = 670,114.41/x
  3. Step 3: Cross multiply
    1,213,978.26x = 1,675,290.34 × 670,114.41
  4. Step 4: Simplify right side
    1,213,978.26x = 1,122,636,197,767.80
  5. Step 5: Solve for x
    x = 1,122,636,197,767.80/1,213,978.26
  6. Step 6: Final answer
    x = 924,758.07

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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.