Home / 1,384,903.80-2,077,550.10-438,175.80

Finding the Fourth Proportional to 1,384,903.80, 2,077,550.10 and 438,175.80

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Solution

The fourth proportional to 1,384,903.80, 2,077,550.10 and 438,175.80 is: 657,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,903.80 : 2,077,550.10 = 438,175.80 : x
  2. Step 2: Convert to fraction form
    1,384,903.80/2,077,550.10 = 438,175.80/x
  3. Step 3: Cross multiply
    1,384,903.80x = 2,077,550.10 × 438,175.80
  4. Step 4: Simplify right side
    1,384,903.80x = 910,332,177,107.58
  5. Step 5: Solve for x
    x = 910,332,177,107.58/1,384,903.80
  6. Step 6: Final answer
    x = 657,325.21

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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.