Home / 1,204,542.68-1,662,271.27-660,682.89

Finding the Fourth Proportional to 1,204,542.68, 1,662,271.27 and 660,682.89

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Solution

The fourth proportional to 1,204,542.68, 1,662,271.27 and 660,682.89 is: 911,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,542.68 : 1,662,271.27 = 660,682.89 : x
  2. Step 2: Convert to fraction form
    1,204,542.68/1,662,271.27 = 660,682.89/x
  3. Step 3: Cross multiply
    1,204,542.68x = 1,662,271.27 × 660,682.89
  4. Step 4: Simplify right side
    1,204,542.68x = 1,098,234,184,975.86
  5. Step 5: Solve for x
    x = 1,098,234,184,975.86/1,204,542.68
  6. Step 6: Final answer
    x = 911,743.69

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Double scale
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1.5x scale

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.