Home / 1,421,351.15-2,133,503.35-823,480.43

Finding the Fourth Proportional to 1,421,351.15, 2,133,503.35 and 823,480.43

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Solution

The fourth proportional to 1,421,351.15, 2,133,503.35 and 823,480.43 is: 1,236,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,351.15 : 2,133,503.35 = 823,480.43 : x
  2. Step 2: Convert to fraction form
    1,421,351.15/2,133,503.35 = 823,480.43/x
  3. Step 3: Cross multiply
    1,421,351.15x = 2,133,503.35 × 823,480.43
  4. Step 4: Simplify right side
    1,421,351.15x = 1,756,898,243,338.22
  5. Step 5: Solve for x
    x = 1,756,898,243,338.22/1,421,351.15
  6. Step 6: Final answer
    x = 1,236,076.14

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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.