Home / 1,384,677.16-2,077,943.48-486,121.54

Finding the Fourth Proportional to 1,384,677.16, 2,077,943.48 and 486,121.54

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Solution

The fourth proportional to 1,384,677.16, 2,077,943.48 and 486,121.54 is: 729,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,677.16 : 2,077,943.48 = 486,121.54 : x
  2. Step 2: Convert to fraction form
    1,384,677.16/2,077,943.48 = 486,121.54/x
  3. Step 3: Cross multiply
    1,384,677.16x = 2,077,943.48 × 486,121.54
  4. Step 4: Simplify right side
    1,384,677.16x = 1,010,133,084,530.56
  5. Step 5: Solve for x
    x = 1,010,133,084,530.56/1,384,677.16
  6. Step 6: Final answer
    x = 729,508.01

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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.