Home / 1,338,123.25-1,846,637.63-757,346.36

Finding the Fourth Proportional to 1,338,123.25, 1,846,637.63 and 757,346.36

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Solution

The fourth proportional to 1,338,123.25, 1,846,637.63 and 757,346.36 is: 1,045,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,123.25 : 1,846,637.63 = 757,346.36 : x
  2. Step 2: Convert to fraction form
    1,338,123.25/1,846,637.63 = 757,346.36/x
  3. Step 3: Cross multiply
    1,338,123.25x = 1,846,637.63 × 757,346.36
  4. Step 4: Simplify right side
    1,338,123.25x = 1,398,544,277,139.66
  5. Step 5: Solve for x
    x = 1,398,544,277,139.66/1,338,123.25
  6. Step 6: Final answer
    x = 1,045,153.56

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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.