Home / 1,388,851.22-2,082,587.67-442,098.86

Finding the Fourth Proportional to 1,388,851.22, 2,082,587.67 and 442,098.86

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Solution

The fourth proportional to 1,388,851.22, 2,082,587.67 and 442,098.86 is: 662,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,851.22 : 2,082,587.67 = 442,098.86 : x
  2. Step 2: Convert to fraction form
    1,388,851.22/2,082,587.67 = 442,098.86/x
  3. Step 3: Cross multiply
    1,388,851.22x = 2,082,587.67 × 442,098.86
  4. Step 4: Simplify right side
    1,388,851.22x = 920,709,634,757.06
  5. Step 5: Solve for x
    x = 920,709,634,757.06/1,388,851.22
  6. Step 6: Final answer
    x = 662,928.92

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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.