Home / 1,232,379.80-1,845,459.30-809,365.40

Finding the Fourth Proportional to 1,232,379.80, 1,845,459.30 and 809,365.40

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Solution

The fourth proportional to 1,232,379.80, 1,845,459.30 and 809,365.40 is: 1,212,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,379.80 : 1,845,459.30 = 809,365.40 : x
  2. Step 2: Convert to fraction form
    1,232,379.80/1,845,459.30 = 809,365.40/x
  3. Step 3: Cross multiply
    1,232,379.80x = 1,845,459.30 × 809,365.40
  4. Step 4: Simplify right side
    1,232,379.80x = 1,493,650,904,528.22
  5. Step 5: Solve for x
    x = 1,493,650,904,528.22/1,232,379.80
  6. Step 6: Final answer
    x = 1,212,005.34

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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.