Home / 1,159,103.73-1,599,539.31-642,774.30

Finding the Fourth Proportional to 1,159,103.73, 1,599,539.31 and 642,774.30

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Solution

The fourth proportional to 1,159,103.73, 1,599,539.31 and 642,774.30 is: 887,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,103.73 : 1,599,539.31 = 642,774.30 : x
  2. Step 2: Convert to fraction form
    1,159,103.73/1,599,539.31 = 642,774.30/x
  3. Step 3: Cross multiply
    1,159,103.73x = 1,599,539.31 × 642,774.30
  4. Step 4: Simplify right side
    1,159,103.73x = 1,028,142,760,307.73
  5. Step 5: Solve for x
    x = 1,028,142,760,307.73/1,159,103.73
  6. Step 6: Final answer
    x = 887,015.32

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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.