Home / 1,121,704-1,682,559.60-280,255.84

Finding the Fourth Proportional to 1,121,704, 1,682,559.60 and 280,255.84

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Solution

The fourth proportional to 1,121,704, 1,682,559.60 and 280,255.84 is: 420,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,704 : 1,682,559.60 = 280,255.84 : x
  2. Step 2: Convert to fraction form
    1,121,704/1,682,559.60 = 280,255.84/x
  3. Step 3: Cross multiply
    1,121,704x = 1,682,559.60 × 280,255.84
  4. Step 4: Simplify right side
    1,121,704x = 471,547,154,048.06
  5. Step 5: Solve for x
    x = 471,547,154,048.06/1,121,704
  6. Step 6: Final answer
    x = 420,384.66

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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.