Home / 1,676,462.32-2,514,668.88-414,289.92

Finding the Fourth Proportional to 1,676,462.32, 2,514,668.88 and 414,289.92

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Solution

The fourth proportional to 1,676,462.32, 2,514,668.88 and 414,289.92 is: 621,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,462.32 : 2,514,668.88 = 414,289.92 : x
  2. Step 2: Convert to fraction form
    1,676,462.32/2,514,668.88 = 414,289.92/x
  3. Step 3: Cross multiply
    1,676,462.32x = 2,514,668.88 × 414,289.92
  4. Step 4: Simplify right side
    1,676,462.32x = 1,041,801,969,121.69
  5. Step 5: Solve for x
    x = 1,041,801,969,121.69/1,676,462.32
  6. Step 6: Final answer
    x = 621,428.80

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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.