Home / 1,328,738.67-1,833,658.88-725,126.67

Finding the Fourth Proportional to 1,328,738.67, 1,833,658.88 and 725,126.67

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Solution

The fourth proportional to 1,328,738.67, 1,833,658.88 and 725,126.67 is: 1,000,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,738.67 : 1,833,658.88 = 725,126.67 : x
  2. Step 2: Convert to fraction form
    1,328,738.67/1,833,658.88 = 725,126.67/x
  3. Step 3: Cross multiply
    1,328,738.67x = 1,833,658.88 × 725,126.67
  4. Step 4: Simplify right side
    1,328,738.67x = 1,329,634,953,944.70
  5. Step 5: Solve for x
    x = 1,329,634,953,944.70/1,328,738.67
  6. Step 6: Final answer
    x = 1,000,674.54

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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.