Home / 1,351,301.23-1,864,832.34-828,002.79

Finding the Fourth Proportional to 1,351,301.23, 1,864,832.34 and 828,002.79

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Solution

The fourth proportional to 1,351,301.23, 1,864,832.34 and 828,002.79 is: 1,142,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,301.23 : 1,864,832.34 = 828,002.79 : x
  2. Step 2: Convert to fraction form
    1,351,301.23/1,864,832.34 = 828,002.79/x
  3. Step 3: Cross multiply
    1,351,301.23x = 1,864,832.34 × 828,002.79
  4. Step 4: Simplify right side
    1,351,301.23x = 1,544,086,380,924.30
  5. Step 5: Solve for x
    x = 1,544,086,380,924.30/1,351,301.23
  6. Step 6: Final answer
    x = 1,142,666.30

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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.