Home / 985,514.45-1,478,271.68-985,514.45

Finding the Fourth Proportional to 985,514.45, 1,478,271.68 and 985,514.45

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Solution

The fourth proportional to 985,514.45, 1,478,271.68 and 985,514.45 is: 1,478,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,514.45 : 1,478,271.68 = 985,514.45 : x
  2. Step 2: Convert to fraction form
    985,514.45/1,478,271.68 = 985,514.45/x
  3. Step 3: Cross multiply
    985,514.45x = 1,478,271.68 × 985,514.45
  4. Step 4: Simplify right side
    985,514.45x = 1,456,858,096,738.20
  5. Step 5: Solve for x
    x = 1,456,858,096,738.20/985,514.45
  6. Step 6: Final answer
    x = 1,478,271.68

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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.