Home / 1,435,408.04-1,980,452.08-854,145.38

Finding the Fourth Proportional to 1,435,408.04, 1,980,452.08 and 854,145.38

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Solution

The fourth proportional to 1,435,408.04, 1,980,452.08 and 854,145.38 is: 1,178,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,408.04 : 1,980,452.08 = 854,145.38 : x
  2. Step 2: Convert to fraction form
    1,435,408.04/1,980,452.08 = 854,145.38/x
  3. Step 3: Cross multiply
    1,435,408.04x = 1,980,452.08 × 854,145.38
  4. Step 4: Simplify right side
    1,435,408.04x = 1,691,593,994,443.39
  5. Step 5: Solve for x
    x = 1,691,593,994,443.39/1,435,408.04
  6. Step 6: Final answer
    x = 1,178,476.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.