Home / 1,295,019.20-1,783,059.84-1,101,045.44

Finding the Fourth Proportional to 1,295,019.20, 1,783,059.84 and 1,101,045.44

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Solution

The fourth proportional to 1,295,019.20, 1,783,059.84 and 1,101,045.44 is: 1,515,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,019.20 : 1,783,059.84 = 1,101,045.44 : x
  2. Step 2: Convert to fraction form
    1,295,019.20/1,783,059.84 = 1,101,045.44/x
  3. Step 3: Cross multiply
    1,295,019.20x = 1,783,059.84 × 1,101,045.44
  4. Step 4: Simplify right side
    1,295,019.20x = 1,963,229,906,079.13
  5. Step 5: Solve for x
    x = 1,963,229,906,079.13/1,295,019.20
  6. Step 6: Final answer
    x = 1,515,985.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.