Home / 1,388,873.67-2,080,929.47-932,609.67

Finding the Fourth Proportional to 1,388,873.67, 2,080,929.47 and 932,609.67

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Solution

The fourth proportional to 1,388,873.67, 2,080,929.47 and 932,609.67 is: 1,397,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,873.67 : 2,080,929.47 = 932,609.67 : x
  2. Step 2: Convert to fraction form
    1,388,873.67/2,080,929.47 = 932,609.67/x
  3. Step 3: Cross multiply
    1,388,873.67x = 2,080,929.47 × 932,609.67
  4. Step 4: Simplify right side
    1,388,873.67x = 1,940,694,941,646.93
  5. Step 5: Solve for x
    x = 1,940,694,941,646.93/1,388,873.67
  6. Step 6: Final answer
    x = 1,397,315.67

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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.