Home / 1,333,330.46-2,000,444.61-422,661.67

Finding the Fourth Proportional to 1,333,330.46, 2,000,444.61 and 422,661.67

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Solution

The fourth proportional to 1,333,330.46, 2,000,444.61 and 422,661.67 is: 634,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,330.46 : 2,000,444.61 = 422,661.67 : x
  2. Step 2: Convert to fraction form
    1,333,330.46/2,000,444.61 = 422,661.67/x
  3. Step 3: Cross multiply
    1,333,330.46x = 2,000,444.61 × 422,661.67
  4. Step 4: Simplify right side
    1,333,330.46x = 845,511,259,029.12
  5. Step 5: Solve for x
    x = 845,511,259,029.12/1,333,330.46
  6. Step 6: Final answer
    x = 634,134.81

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1.5x scale

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.