Home / 1,091,723.70-1,637,585.55-613,426.80

Finding the Fourth Proportional to 1,091,723.70, 1,637,585.55 and 613,426.80

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Solution

The fourth proportional to 1,091,723.70, 1,637,585.55 and 613,426.80 is: 920,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,723.70 : 1,637,585.55 = 613,426.80 : x
  2. Step 2: Convert to fraction form
    1,091,723.70/1,637,585.55 = 613,426.80/x
  3. Step 3: Cross multiply
    1,091,723.70x = 1,637,585.55 × 613,426.80
  4. Step 4: Simplify right side
    1,091,723.70x = 1,004,538,863,662.74
  5. Step 5: Solve for x
    x = 1,004,538,863,662.74/1,091,723.70
  6. Step 6: Final answer
    x = 920,140.20

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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.