Home / 1,643,351.54-2,267,809.53-918,324.14

Finding the Fourth Proportional to 1,643,351.54, 2,267,809.53 and 918,324.14

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Solution

The fourth proportional to 1,643,351.54, 2,267,809.53 and 918,324.14 is: 1,267,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,351.54 : 2,267,809.53 = 918,324.14 : x
  2. Step 2: Convert to fraction form
    1,643,351.54/2,267,809.53 = 918,324.14/x
  3. Step 3: Cross multiply
    1,643,351.54x = 2,267,809.53 × 918,324.14
  4. Step 4: Simplify right side
    1,643,351.54x = 2,082,584,236,321.05
  5. Step 5: Solve for x
    x = 2,082,584,236,321.05/1,643,351.54
  6. Step 6: Final answer
    x = 1,267,278.60

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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.