Home / 994,850.40-1,489,100.40-784,898.40

Finding the Fourth Proportional to 994,850.40, 1,489,100.40 and 784,898.40

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Solution

The fourth proportional to 994,850.40, 1,489,100.40 and 784,898.40 is: 1,174,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,850.40 : 1,489,100.40 = 784,898.40 : x
  2. Step 2: Convert to fraction form
    994,850.40/1,489,100.40 = 784,898.40/x
  3. Step 3: Cross multiply
    994,850.40x = 1,489,100.40 × 784,898.40
  4. Step 4: Simplify right side
    994,850.40x = 1,168,792,521,399.36
  5. Step 5: Solve for x
    x = 1,168,792,521,399.36/994,850.40
  6. Step 6: Final answer
    x = 1,174,842.49

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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.