Home / 1,338,661.30-1,847,341.80-726,801.94

Finding the Fourth Proportional to 1,338,661.30, 1,847,341.80 and 726,801.94

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Solution

The fourth proportional to 1,338,661.30, 1,847,341.80 and 726,801.94 is: 1,002,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,661.30 : 1,847,341.80 = 726,801.94 : x
  2. Step 2: Convert to fraction form
    1,338,661.30/1,847,341.80 = 726,801.94/x
  3. Step 3: Cross multiply
    1,338,661.30x = 1,847,341.80 × 726,801.94
  4. Step 4: Simplify right side
    1,338,661.30x = 1,342,651,604,083.09
  5. Step 5: Solve for x
    x = 1,342,651,604,083.09/1,338,661.30
  6. Step 6: Final answer
    x = 1,002,980.82

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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.