Home / 1,230,168.30-1,845,252.45-981,336.30

Finding the Fourth Proportional to 1,230,168.30, 1,845,252.45 and 981,336.30

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Solution

The fourth proportional to 1,230,168.30, 1,845,252.45 and 981,336.30 is: 1,472,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,168.30 : 1,845,252.45 = 981,336.30 : x
  2. Step 2: Convert to fraction form
    1,230,168.30/1,845,252.45 = 981,336.30/x
  3. Step 3: Cross multiply
    1,230,168.30x = 1,845,252.45 × 981,336.30
  4. Step 4: Simplify right side
    1,230,168.30x = 1,810,813,211,848.94
  5. Step 5: Solve for x
    x = 1,810,813,211,848.94/1,230,168.30
  6. Step 6: Final answer
    x = 1,472,004.45

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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.