Home / 1,538,193.88-2,308,738.29-780,579.28

Finding the Fourth Proportional to 1,538,193.88, 2,308,738.29 and 780,579.28

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Solution

The fourth proportional to 1,538,193.88, 2,308,738.29 and 780,579.28 is: 1,171,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,193.88 : 2,308,738.29 = 780,579.28 : x
  2. Step 2: Convert to fraction form
    1,538,193.88/2,308,738.29 = 780,579.28/x
  3. Step 3: Cross multiply
    1,538,193.88x = 2,308,738.29 × 780,579.28
  4. Step 4: Simplify right side
    1,538,193.88x = 1,802,153,272,116.63
  5. Step 5: Solve for x
    x = 1,802,153,272,116.63/1,538,193.88
  6. Step 6: Final answer
    x = 1,171,603.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.