Home / 1,331,040.45-1,996,560.68-489,482.85

Finding the Fourth Proportional to 1,331,040.45, 1,996,560.68 and 489,482.85

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Solution

The fourth proportional to 1,331,040.45, 1,996,560.68 and 489,482.85 is: 734,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,040.45 : 1,996,560.68 = 489,482.85 : x
  2. Step 2: Convert to fraction form
    1,331,040.45/1,996,560.68 = 489,482.85/x
  3. Step 3: Cross multiply
    1,331,040.45x = 1,996,560.68 × 489,482.85
  4. Step 4: Simplify right side
    1,331,040.45x = 977,282,209,396.92
  5. Step 5: Solve for x
    x = 977,282,209,396.92/1,331,040.45
  6. Step 6: Final answer
    x = 734,224.28

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Double scale
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Similar ratio
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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.