Home / 1,240,008.50-1,711,153.44-688,759.94

Finding the Fourth Proportional to 1,240,008.50, 1,711,153.44 and 688,759.94

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Solution

The fourth proportional to 1,240,008.50, 1,711,153.44 and 688,759.94 is: 950,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,008.50 : 1,711,153.44 = 688,759.94 : x
  2. Step 2: Convert to fraction form
    1,240,008.50/1,711,153.44 = 688,759.94/x
  3. Step 3: Cross multiply
    1,240,008.50x = 1,711,153.44 × 688,759.94
  4. Step 4: Simplify right side
    1,240,008.50x = 1,178,573,940,665.19
  5. Step 5: Solve for x
    x = 1,178,573,940,665.19/1,240,008.50
  6. Step 6: Final answer
    x = 950,456.34

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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.