Home / 1,119,459.08-1,678,694.22-320,559.08

Finding the Fourth Proportional to 1,119,459.08, 1,678,694.22 and 320,559.08

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Solution

The fourth proportional to 1,119,459.08, 1,678,694.22 and 320,559.08 is: 480,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,459.08 : 1,678,694.22 = 320,559.08 : x
  2. Step 2: Convert to fraction form
    1,119,459.08/1,678,694.22 = 320,559.08/x
  3. Step 3: Cross multiply
    1,119,459.08x = 1,678,694.22 × 320,559.08
  4. Step 4: Simplify right side
    1,119,459.08x = 538,120,674,764.52
  5. Step 5: Solve for x
    x = 538,120,674,764.52/1,119,459.08
  6. Step 6: Final answer
    x = 480,697.05

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1.5x scale

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.