Home / 1,245,559.75-1,718,999.43-762,444.16

Finding the Fourth Proportional to 1,245,559.75, 1,718,999.43 and 762,444.16

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Solution

The fourth proportional to 1,245,559.75, 1,718,999.43 and 762,444.16 is: 1,052,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,559.75 : 1,718,999.43 = 762,444.16 : x
  2. Step 2: Convert to fraction form
    1,245,559.75/1,718,999.43 = 762,444.16/x
  3. Step 3: Cross multiply
    1,245,559.75x = 1,718,999.43 × 762,444.16
  4. Step 4: Simplify right side
    1,245,559.75x = 1,310,641,078,838.22
  5. Step 5: Solve for x
    x = 1,310,641,078,838.22/1,245,559.75
  6. Step 6: Final answer
    x = 1,052,250.67

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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.