Home / 1,313,160.49-1,813,004.85-823,800.91

Finding the Fourth Proportional to 1,313,160.49, 1,813,004.85 and 823,800.91

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Solution

The fourth proportional to 1,313,160.49, 1,813,004.85 and 823,800.91 is: 1,137,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,160.49 : 1,813,004.85 = 823,800.91 : x
  2. Step 2: Convert to fraction form
    1,313,160.49/1,813,004.85 = 823,800.91/x
  3. Step 3: Cross multiply
    1,313,160.49x = 1,813,004.85 × 823,800.91
  4. Step 4: Simplify right side
    1,313,160.49x = 1,493,555,044,499.23
  5. Step 5: Solve for x
    x = 1,493,555,044,499.23/1,313,160.49
  6. Step 6: Final answer
    x = 1,137,374.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.