Home / 1,684,621.53-2,324,772.09-920,674.89

Finding the Fourth Proportional to 1,684,621.53, 2,324,772.09 and 920,674.89

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Solution

The fourth proportional to 1,684,621.53, 2,324,772.09 and 920,674.89 is: 1,270,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,621.53 : 2,324,772.09 = 920,674.89 : x
  2. Step 2: Convert to fraction form
    1,684,621.53/2,324,772.09 = 920,674.89/x
  3. Step 3: Cross multiply
    1,684,621.53x = 2,324,772.09 × 920,674.89
  4. Step 4: Simplify right side
    1,684,621.53x = 2,140,359,288,235.82
  5. Step 5: Solve for x
    x = 2,140,359,288,235.82/1,684,621.53
  6. Step 6: Final answer
    x = 1,270,528.28

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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.