Home / 900,291.13-1,351,388.25-879,961.14

Finding the Fourth Proportional to 900,291.13, 1,351,388.25 and 879,961.14

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Solution

The fourth proportional to 900,291.13, 1,351,388.25 and 879,961.14 is: 1,320,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,291.13 : 1,351,388.25 = 879,961.14 : x
  2. Step 2: Convert to fraction form
    900,291.13/1,351,388.25 = 879,961.14/x
  3. Step 3: Cross multiply
    900,291.13x = 1,351,388.25 × 879,961.14
  4. Step 4: Simplify right side
    900,291.13x = 1,189,169,145,052.61
  5. Step 5: Solve for x
    x = 1,189,169,145,052.61/900,291.13
  6. Step 6: Final answer
    x = 1,320,871.78

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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.