Home / 1,212,225.64-1,672,845.06-702,975.40

Finding the Fourth Proportional to 1,212,225.64, 1,672,845.06 and 702,975.40

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Solution

The fourth proportional to 1,212,225.64, 1,672,845.06 and 702,975.40 is: 970,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,225.64 : 1,672,845.06 = 702,975.40 : x
  2. Step 2: Convert to fraction form
    1,212,225.64/1,672,845.06 = 702,975.40/x
  3. Step 3: Cross multiply
    1,212,225.64x = 1,672,845.06 × 702,975.40
  4. Step 4: Simplify right side
    1,212,225.64x = 1,175,968,925,191.52
  5. Step 5: Solve for x
    x = 1,175,968,925,191.52/1,212,225.64
  6. Step 6: Final answer
    x = 970,090.79

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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.