Home / 1,108,996.40-1,662,336.84-804,655.28

Finding the Fourth Proportional to 1,108,996.40, 1,662,336.84 and 804,655.28

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Solution

The fourth proportional to 1,108,996.40, 1,662,336.84 and 804,655.28 is: 1,206,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,996.40 : 1,662,336.84 = 804,655.28 : x
  2. Step 2: Convert to fraction form
    1,108,996.40/1,662,336.84 = 804,655.28/x
  3. Step 3: Cross multiply
    1,108,996.40x = 1,662,336.84 × 804,655.28
  4. Step 4: Simplify right side
    1,108,996.40x = 1,337,608,115,444.52
  5. Step 5: Solve for x
    x = 1,337,608,115,444.52/1,108,996.40
  6. Step 6: Final answer
    x = 1,206,142.88

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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.