Home / 743,445.20-1,116,042.60-738,196.40

Finding the Fourth Proportional to 743,445.20, 1,116,042.60 and 738,196.40

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Solution

The fourth proportional to 743,445.20, 1,116,042.60 and 738,196.40 is: 1,108,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,445.20 : 1,116,042.60 = 738,196.40 : x
  2. Step 2: Convert to fraction form
    743,445.20/1,116,042.60 = 738,196.40/x
  3. Step 3: Cross multiply
    743,445.20x = 1,116,042.60 × 738,196.40
  4. Step 4: Simplify right side
    743,445.20x = 823,858,629,566.64
  5. Step 5: Solve for x
    x = 823,858,629,566.64/743,445.20
  6. Step 6: Final answer
    x = 1,108,163.22

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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.