Home / 1,243,408.67-1,865,112.88-344,850.38

Finding the Fourth Proportional to 1,243,408.67, 1,865,112.88 and 344,850.38

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Solution

The fourth proportional to 1,243,408.67, 1,865,112.88 and 344,850.38 is: 517,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,408.67 : 1,865,112.88 = 344,850.38 : x
  2. Step 2: Convert to fraction form
    1,243,408.67/1,865,112.88 = 344,850.38/x
  3. Step 3: Cross multiply
    1,243,408.67x = 1,865,112.88 × 344,850.38
  4. Step 4: Simplify right side
    1,243,408.67x = 643,184,885,410.89
  5. Step 5: Solve for x
    x = 643,184,885,410.89/1,243,408.67
  6. Step 6: Final answer
    x = 517,275.54

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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.