Home / 1,232,856.40-1,848,118.20-727,805.20

Finding the Fourth Proportional to 1,232,856.40, 1,848,118.20 and 727,805.20

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Solution

The fourth proportional to 1,232,856.40, 1,848,118.20 and 727,805.20 is: 1,091,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,856.40 : 1,848,118.20 = 727,805.20 : x
  2. Step 2: Convert to fraction form
    1,232,856.40/1,848,118.20 = 727,805.20/x
  3. Step 3: Cross multiply
    1,232,856.40x = 1,848,118.20 × 727,805.20
  4. Step 4: Simplify right side
    1,232,856.40x = 1,345,070,036,174.64
  5. Step 5: Solve for x
    x = 1,345,070,036,174.64/1,232,856.40
  6. Step 6: Final answer
    x = 1,091,019.23

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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.