Home / 981,738.70-1,472,608.05-683,140.30

Finding the Fourth Proportional to 981,738.70, 1,472,608.05 and 683,140.30

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Solution

The fourth proportional to 981,738.70, 1,472,608.05 and 683,140.30 is: 1,024,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,738.70 : 1,472,608.05 = 683,140.30 : x
  2. Step 2: Convert to fraction form
    981,738.70/1,472,608.05 = 683,140.30/x
  3. Step 3: Cross multiply
    981,738.70x = 1,472,608.05 × 683,140.30
  4. Step 4: Simplify right side
    981,738.70x = 1,005,997,905,059.42
  5. Step 5: Solve for x
    x = 1,005,997,905,059.42/981,738.70
  6. Step 6: Final answer
    x = 1,024,710.45

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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.