Home / 1,389,644.80-2,084,467.20-1,336,500.70

Finding the Fourth Proportional to 1,389,644.80, 2,084,467.20 and 1,336,500.70

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Solution

The fourth proportional to 1,389,644.80, 2,084,467.20 and 1,336,500.70 is: 2,004,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,644.80 : 2,084,467.20 = 1,336,500.70 : x
  2. Step 2: Convert to fraction form
    1,389,644.80/2,084,467.20 = 1,336,500.70/x
  3. Step 3: Cross multiply
    1,389,644.80x = 2,084,467.20 × 1,336,500.70
  4. Step 4: Simplify right side
    1,389,644.80x = 2,785,891,871,927.04
  5. Step 5: Solve for x
    x = 2,785,891,871,927.04/1,389,644.80
  6. Step 6: Final answer
    x = 2,004,751.05

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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.