Home / 1,431,233.20-1,975,288.68-923,412.88

Finding the Fourth Proportional to 1,431,233.20, 1,975,288.68 and 923,412.88

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Solution

The fourth proportional to 1,431,233.20, 1,975,288.68 and 923,412.88 is: 1,274,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,233.20 : 1,975,288.68 = 923,412.88 : x
  2. Step 2: Convert to fraction form
    1,431,233.20/1,975,288.68 = 923,412.88/x
  3. Step 3: Cross multiply
    1,431,233.20x = 1,975,288.68 × 923,412.88
  4. Step 4: Simplify right side
    1,431,233.20x = 1,824,007,008,830.20
  5. Step 5: Solve for x
    x = 1,824,007,008,830.20/1,431,233.20
  6. Step 6: Final answer
    x = 1,274,430.34

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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.