Home / 1,308,117.75-1,804,796.79-763,860.93

Finding the Fourth Proportional to 1,308,117.75, 1,804,796.79 and 763,860.93

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Solution

The fourth proportional to 1,308,117.75, 1,804,796.79 and 763,860.93 is: 1,053,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,117.75 : 1,804,796.79 = 763,860.93 : x
  2. Step 2: Convert to fraction form
    1,308,117.75/1,804,796.79 = 763,860.93/x
  3. Step 3: Cross multiply
    1,308,117.75x = 1,804,796.79 × 763,860.93
  4. Step 4: Simplify right side
    1,308,117.75x = 1,378,613,754,470.41
  5. Step 5: Solve for x
    x = 1,378,613,754,470.41/1,308,117.75
  6. Step 6: Final answer
    x = 1,053,891.18

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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.