Home / 1,213,971.26-1,675,280.66-670,107.40

Finding the Fourth Proportional to 1,213,971.26, 1,675,280.66 and 670,107.40

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Solution

The fourth proportional to 1,213,971.26, 1,675,280.66 and 670,107.40 is: 924,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,971.26 : 1,675,280.66 = 670,107.40 : x
  2. Step 2: Convert to fraction form
    1,213,971.26/1,675,280.66 = 670,107.40/x
  3. Step 3: Cross multiply
    1,213,971.26x = 1,675,280.66 × 670,107.40
  4. Step 4: Simplify right side
    1,213,971.26x = 1,122,617,967,342.88
  5. Step 5: Solve for x
    x = 1,122,617,967,342.88/1,213,971.26
  6. Step 6: Final answer
    x = 924,748.39

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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.