Home / 1,378,046.04-1,901,789.67-766,335.66

Finding the Fourth Proportional to 1,378,046.04, 1,901,789.67 and 766,335.66

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Solution

The fourth proportional to 1,378,046.04, 1,901,789.67 and 766,335.66 is: 1,057,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,046.04 : 1,901,789.67 = 766,335.66 : x
  2. Step 2: Convert to fraction form
    1,378,046.04/1,901,789.67 = 766,335.66/x
  3. Step 3: Cross multiply
    1,378,046.04x = 1,901,789.67 × 766,335.66
  4. Step 4: Simplify right side
    1,378,046.04x = 1,457,409,241,940.63
  5. Step 5: Solve for x
    x = 1,457,409,241,940.63/1,378,046.04
  6. Step 6: Final answer
    x = 1,057,591.11

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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.