Home / 1,419,570.48-2,126,949.84-857,424

Finding the Fourth Proportional to 1,419,570.48, 2,126,949.84 and 857,424

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Solution

The fourth proportional to 1,419,570.48, 2,126,949.84 and 857,424 is: 1,284,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,570.48 : 2,126,949.84 = 857,424 : x
  2. Step 2: Convert to fraction form
    1,419,570.48/2,126,949.84 = 857,424/x
  3. Step 3: Cross multiply
    1,419,570.48x = 2,126,949.84 × 857,424
  4. Step 4: Simplify right side
    1,419,570.48x = 1,823,697,839,612.16
  5. Step 5: Solve for x
    x = 1,823,697,839,612.16/1,419,570.48
  6. Step 6: Final answer
    x = 1,284,682.84

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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.