Home / 1,380,602.24-1,905,212.91-760,395.49

Finding the Fourth Proportional to 1,380,602.24, 1,905,212.91 and 760,395.49

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Solution

The fourth proportional to 1,380,602.24, 1,905,212.91 and 760,395.49 is: 1,049,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,602.24 : 1,905,212.91 = 760,395.49 : x
  2. Step 2: Convert to fraction form
    1,380,602.24/1,905,212.91 = 760,395.49/x
  3. Step 3: Cross multiply
    1,380,602.24x = 1,905,212.91 × 760,395.49
  4. Step 4: Simplify right side
    1,380,602.24x = 1,448,715,304,253.78
  5. Step 5: Solve for x
    x = 1,448,715,304,253.78/1,380,602.24
  6. Step 6: Final answer
    x = 1,049,335.76

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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.