Home / 1,119,797.70-1,679,696.55-694,644.90

Finding the Fourth Proportional to 1,119,797.70, 1,679,696.55 and 694,644.90

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Solution

The fourth proportional to 1,119,797.70, 1,679,696.55 and 694,644.90 is: 1,041,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,797.70 : 1,679,696.55 = 694,644.90 : x
  2. Step 2: Convert to fraction form
    1,119,797.70/1,679,696.55 = 694,644.90/x
  3. Step 3: Cross multiply
    1,119,797.70x = 1,679,696.55 × 694,644.90
  4. Step 4: Simplify right side
    1,119,797.70x = 1,166,792,642,005.10
  5. Step 5: Solve for x
    x = 1,166,792,642,005.10/1,119,797.70
  6. Step 6: Final answer
    x = 1,041,967.35

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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.