Home / 1,091,738.70-1,637,608.05-613,441.80

Finding the Fourth Proportional to 1,091,738.70, 1,637,608.05 and 613,441.80

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Solution

The fourth proportional to 1,091,738.70, 1,637,608.05 and 613,441.80 is: 920,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,738.70 : 1,637,608.05 = 613,441.80 : x
  2. Step 2: Convert to fraction form
    1,091,738.70/1,637,608.05 = 613,441.80/x
  3. Step 3: Cross multiply
    1,091,738.70x = 1,637,608.05 × 613,441.80
  4. Step 4: Simplify right side
    1,091,738.70x = 1,004,577,229,886.49
  5. Step 5: Solve for x
    x = 1,004,577,229,886.49/1,091,738.70
  6. Step 6: Final answer
    x = 920,162.70

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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.