Home / 1,620,578.95-2,432,394.16-822,433.30

Finding the Fourth Proportional to 1,620,578.95, 2,432,394.16 and 822,433.30

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Solution

The fourth proportional to 1,620,578.95, 2,432,394.16 and 822,433.30 is: 1,234,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,578.95 : 2,432,394.16 = 822,433.30 : x
  2. Step 2: Convert to fraction form
    1,620,578.95/2,432,394.16 = 822,433.30/x
  3. Step 3: Cross multiply
    1,620,578.95x = 2,432,394.16 × 822,433.30
  4. Step 4: Simplify right side
    1,620,578.95x = 2,000,481,947,772.46
  5. Step 5: Solve for x
    x = 2,000,481,947,772.46/1,620,578.95
  6. Step 6: Final answer
    x = 1,234,424.25

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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.