Home / 1,108,604.80-1,662,907.20-842,884.30

Finding the Fourth Proportional to 1,108,604.80, 1,662,907.20 and 842,884.30

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Solution

The fourth proportional to 1,108,604.80, 1,662,907.20 and 842,884.30 is: 1,264,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,604.80 : 1,662,907.20 = 842,884.30 : x
  2. Step 2: Convert to fraction form
    1,108,604.80/1,662,907.20 = 842,884.30/x
  3. Step 3: Cross multiply
    1,108,604.80x = 1,662,907.20 × 842,884.30
  4. Step 4: Simplify right side
    1,108,604.80x = 1,401,638,371,236.96
  5. Step 5: Solve for x
    x = 1,401,638,371,236.96/1,108,604.80
  6. Step 6: Final answer
    x = 1,264,326.45

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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.