Home / 1,308,209.54-1,805,287.10-727,429.82

Finding the Fourth Proportional to 1,308,209.54, 1,805,287.10 and 727,429.82

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Solution

The fourth proportional to 1,308,209.54, 1,805,287.10 and 727,429.82 is: 1,003,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,209.54 : 1,805,287.10 = 727,429.82 : x
  2. Step 2: Convert to fraction form
    1,308,209.54/1,805,287.10 = 727,429.82/x
  3. Step 3: Cross multiply
    1,308,209.54x = 1,805,287.10 × 727,429.82
  4. Step 4: Simplify right side
    1,308,209.54x = 1,313,219,657,537.74
  5. Step 5: Solve for x
    x = 1,313,219,657,537.74/1,308,209.54
  6. Step 6: Final answer
    x = 1,003,829.76

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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.