Home / 1,326,408.48-1,989,418.93-652,308.86

Finding the Fourth Proportional to 1,326,408.48, 1,989,418.93 and 652,308.86

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Solution

The fourth proportional to 1,326,408.48, 1,989,418.93 and 652,308.86 is: 978,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,408.48 : 1,989,418.93 = 652,308.86 : x
  2. Step 2: Convert to fraction form
    1,326,408.48/1,989,418.93 = 652,308.86/x
  3. Step 3: Cross multiply
    1,326,408.48x = 1,989,418.93 × 652,308.86
  4. Step 4: Simplify right side
    1,326,408.48x = 1,297,715,597,633.50
  5. Step 5: Solve for x
    x = 1,297,715,597,633.50/1,326,408.48
  6. Step 6: Final answer
    x = 978,367.99

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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.