Home / 1,252,408.70-1,728,324.63-679,448.72

Finding the Fourth Proportional to 1,252,408.70, 1,728,324.63 and 679,448.72

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Solution

The fourth proportional to 1,252,408.70, 1,728,324.63 and 679,448.72 is: 937,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,408.70 : 1,728,324.63 = 679,448.72 : x
  2. Step 2: Convert to fraction form
    1,252,408.70/1,728,324.63 = 679,448.72/x
  3. Step 3: Cross multiply
    1,252,408.70x = 1,728,324.63 × 679,448.72
  4. Step 4: Simplify right side
    1,252,408.70x = 1,174,307,948,956.35
  5. Step 5: Solve for x
    x = 1,174,307,948,956.35/1,252,408.70
  6. Step 6: Final answer
    x = 937,639.57

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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.