Home / 1,213,955.62-1,675,258.48-670,091.26

Finding the Fourth Proportional to 1,213,955.62, 1,675,258.48 and 670,091.26

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Solution

The fourth proportional to 1,213,955.62, 1,675,258.48 and 670,091.26 is: 924,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,955.62 : 1,675,258.48 = 670,091.26 : x
  2. Step 2: Convert to fraction form
    1,213,955.62/1,675,258.48 = 670,091.26/x
  3. Step 3: Cross multiply
    1,213,955.62x = 1,675,258.48 × 670,091.26
  4. Step 4: Simplify right side
    1,213,955.62x = 1,122,576,065,688.88
  5. Step 5: Solve for x
    x = 1,122,576,065,688.88/1,213,955.62
  6. Step 6: Final answer
    x = 924,725.79

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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.