Home / 1,264,539.25-1,745,094.06-720,725.64

Finding the Fourth Proportional to 1,264,539.25, 1,745,094.06 and 720,725.64

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Solution

The fourth proportional to 1,264,539.25, 1,745,094.06 and 720,725.64 is: 994,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,539.25 : 1,745,094.06 = 720,725.64 : x
  2. Step 2: Convert to fraction form
    1,264,539.25/1,745,094.06 = 720,725.64/x
  3. Step 3: Cross multiply
    1,264,539.25x = 1,745,094.06 × 720,725.64
  4. Step 4: Simplify right side
    1,264,539.25x = 1,257,734,033,253.70
  5. Step 5: Solve for x
    x = 1,257,734,033,253.70/1,264,539.25
  6. Step 6: Final answer
    x = 994,618.42

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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.