Home / 1,344,832.86-1,855,870.05-764,057.03

Finding the Fourth Proportional to 1,344,832.86, 1,855,870.05 and 764,057.03

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Solution

The fourth proportional to 1,344,832.86, 1,855,870.05 and 764,057.03 is: 1,054,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,832.86 : 1,855,870.05 = 764,057.03 : x
  2. Step 2: Convert to fraction form
    1,344,832.86/1,855,870.05 = 764,057.03/x
  3. Step 3: Cross multiply
    1,344,832.86x = 1,855,870.05 × 764,057.03
  4. Step 4: Simplify right side
    1,344,832.86x = 1,417,990,549,189.60
  5. Step 5: Solve for x
    x = 1,417,990,549,189.60/1,344,832.86
  6. Step 6: Final answer
    x = 1,054,399.09

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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.