Home / 1,245,703.20-1,868,554.80-1,222,083.60

Finding the Fourth Proportional to 1,245,703.20, 1,868,554.80 and 1,222,083.60

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Solution

The fourth proportional to 1,245,703.20, 1,868,554.80 and 1,222,083.60 is: 1,833,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,703.20 : 1,868,554.80 = 1,222,083.60 : x
  2. Step 2: Convert to fraction form
    1,245,703.20/1,868,554.80 = 1,222,083.60/x
  3. Step 3: Cross multiply
    1,245,703.20x = 1,868,554.80 × 1,222,083.60
  4. Step 4: Simplify right side
    1,245,703.20x = 2,283,530,176,781.28
  5. Step 5: Solve for x
    x = 2,283,530,176,781.28/1,245,703.20
  6. Step 6: Final answer
    x = 1,833,125.40

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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.