Home / 1,263,840.72-1,744,111.82-719,968.46

Finding the Fourth Proportional to 1,263,840.72, 1,744,111.82 and 719,968.46

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Solution

The fourth proportional to 1,263,840.72, 1,744,111.82 and 719,968.46 is: 993,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,840.72 : 1,744,111.82 = 719,968.46 : x
  2. Step 2: Convert to fraction form
    1,263,840.72/1,744,111.82 = 719,968.46/x
  3. Step 3: Cross multiply
    1,263,840.72x = 1,744,111.82 × 719,968.46
  4. Step 4: Simplify right side
    1,263,840.72x = 1,255,705,501,113.20
  5. Step 5: Solve for x
    x = 1,255,705,501,113.20/1,263,840.72
  6. Step 6: Final answer
    x = 993,563.10

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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.