Home / 1,259,812.05-1,738,465.72-715,872.34

Finding the Fourth Proportional to 1,259,812.05, 1,738,465.72 and 715,872.34

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Solution

The fourth proportional to 1,259,812.05, 1,738,465.72 and 715,872.34 is: 987,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,812.05 : 1,738,465.72 = 715,872.34 : x
  2. Step 2: Convert to fraction form
    1,259,812.05/1,738,465.72 = 715,872.34/x
  3. Step 3: Cross multiply
    1,259,812.05x = 1,738,465.72 × 715,872.34
  4. Step 4: Simplify right side
    1,259,812.05x = 1,244,519,528,331.10
  5. Step 5: Solve for x
    x = 1,244,519,528,331.10/1,259,812.05
  6. Step 6: Final answer
    x = 987,861.27

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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.