Home / 1,262,299.43-1,893,465.89-420,851.45

Finding the Fourth Proportional to 1,262,299.43, 1,893,465.89 and 420,851.45

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Solution

The fourth proportional to 1,262,299.43, 1,893,465.89 and 420,851.45 is: 631,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,299.43 : 1,893,465.89 = 420,851.45 : x
  2. Step 2: Convert to fraction form
    1,262,299.43/1,893,465.89 = 420,851.45/x
  3. Step 3: Cross multiply
    1,262,299.43x = 1,893,465.89 × 420,851.45
  4. Step 4: Simplify right side
    1,262,299.43x = 796,867,865,332.04
  5. Step 5: Solve for x
    x = 796,867,865,332.04/1,262,299.43
  6. Step 6: Final answer
    x = 631,282.76

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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.