Home / 1,389,608.52-2,082,260.61-963,972.15

Finding the Fourth Proportional to 1,389,608.52, 2,082,260.61 and 963,972.15

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Solution

The fourth proportional to 1,389,608.52, 2,082,260.61 and 963,972.15 is: 1,444,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,608.52 : 2,082,260.61 = 963,972.15 : x
  2. Step 2: Convert to fraction form
    1,389,608.52/2,082,260.61 = 963,972.15/x
  3. Step 3: Cross multiply
    1,389,608.52x = 2,082,260.61 × 963,972.15
  4. Step 4: Simplify right side
    1,389,608.52x = 2,007,241,237,082.01
  5. Step 5: Solve for x
    x = 2,007,241,237,082.01/1,389,608.52
  6. Step 6: Final answer
    x = 1,444,465.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.