Home / 1,482,432.20-2,045,975.82-938,618.54

Finding the Fourth Proportional to 1,482,432.20, 2,045,975.82 and 938,618.54

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Solution

The fourth proportional to 1,482,432.20, 2,045,975.82 and 938,618.54 is: 1,295,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,432.20 : 2,045,975.82 = 938,618.54 : x
  2. Step 2: Convert to fraction form
    1,482,432.20/2,045,975.82 = 938,618.54/x
  3. Step 3: Cross multiply
    1,482,432.20x = 2,045,975.82 × 938,618.54
  4. Step 4: Simplify right side
    1,482,432.20x = 1,920,390,837,043.70
  5. Step 5: Solve for x
    x = 1,920,390,837,043.70/1,482,432.20
  6. Step 6: Final answer
    x = 1,295,432.49

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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.