Home / 1,332,918.51-1,839,381.80-760,143.03

Finding the Fourth Proportional to 1,332,918.51, 1,839,381.80 and 760,143.03

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Solution

The fourth proportional to 1,332,918.51, 1,839,381.80 and 760,143.03 is: 1,048,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,918.51 : 1,839,381.80 = 760,143.03 : x
  2. Step 2: Convert to fraction form
    1,332,918.51/1,839,381.80 = 760,143.03/x
  3. Step 3: Cross multiply
    1,332,918.51x = 1,839,381.80 × 760,143.03
  4. Step 4: Simplify right side
    1,332,918.51x = 1,398,193,250,978.14
  5. Step 5: Solve for x
    x = 1,398,193,250,978.14/1,332,918.51
  6. Step 6: Final answer
    x = 1,048,971.29

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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.