Home / 1,384,677.28-2,077,943.64-486,121.66

Finding the Fourth Proportional to 1,384,677.28, 2,077,943.64 and 486,121.66

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Solution

The fourth proportional to 1,384,677.28, 2,077,943.64 and 486,121.66 is: 729,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,677.28 : 2,077,943.64 = 486,121.66 : x
  2. Step 2: Convert to fraction form
    1,384,677.28/2,077,943.64 = 486,121.66/x
  3. Step 3: Cross multiply
    1,384,677.28x = 2,077,943.64 × 486,121.66
  4. Step 4: Simplify right side
    1,384,677.28x = 1,010,133,411,663.24
  5. Step 5: Solve for x
    x = 1,010,133,411,663.24/1,384,677.28
  6. Step 6: Final answer
    x = 729,508.19

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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.