Home / 1,233,282.70-1,701,939.50-689,440.60

Finding the Fourth Proportional to 1,233,282.70, 1,701,939.50 and 689,440.60

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Solution

The fourth proportional to 1,233,282.70, 1,701,939.50 and 689,440.60 is: 951,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,282.70 : 1,701,939.50 = 689,440.60 : x
  2. Step 2: Convert to fraction form
    1,233,282.70/1,701,939.50 = 689,440.60/x
  3. Step 3: Cross multiply
    1,233,282.70x = 1,701,939.50 × 689,440.60
  4. Step 4: Simplify right side
    1,233,282.70x = 1,173,386,190,043.70
  5. Step 5: Solve for x
    x = 1,173,386,190,043.70/1,233,282.70
  6. Step 6: Final answer
    x = 951,433.27

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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.