Home / 1,159,150.37-1,599,709.30-643,069.40

Finding the Fourth Proportional to 1,159,150.37, 1,599,709.30 and 643,069.40

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Solution

The fourth proportional to 1,159,150.37, 1,599,709.30 and 643,069.40 is: 887,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,150.37 : 1,599,709.30 = 643,069.40 : x
  2. Step 2: Convert to fraction form
    1,159,150.37/1,599,709.30 = 643,069.40/x
  3. Step 3: Cross multiply
    1,159,150.37x = 1,599,709.30 × 643,069.40
  4. Step 4: Simplify right side
    1,159,150.37x = 1,028,724,090,119.20
  5. Step 5: Solve for x
    x = 1,028,724,090,119.20/1,159,150.37
  6. Step 6: Final answer
    x = 887,481.14

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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.