Home / 1,620,690.54-2,432,561.22-822,544.89

Finding the Fourth Proportional to 1,620,690.54, 2,432,561.22 and 822,544.89

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Solution

The fourth proportional to 1,620,690.54, 2,432,561.22 and 822,544.89 is: 1,234,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,690.54 : 2,432,561.22 = 822,544.89 : x
  2. Step 2: Convert to fraction form
    1,620,690.54/2,432,561.22 = 822,544.89/x
  3. Step 3: Cross multiply
    1,620,690.54x = 2,432,561.22 × 822,544.89
  4. Step 4: Simplify right side
    1,620,690.54x = 2,000,890,801,123.17
  5. Step 5: Solve for x
    x = 2,000,890,801,123.17/1,620,690.54
  6. Step 6: Final answer
    x = 1,234,591.52

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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.