Home / 1,427,320.95-2,140,273.04-454,558.38

Finding the Fourth Proportional to 1,427,320.95, 2,140,273.04 and 454,558.38

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Solution

The fourth proportional to 1,427,320.95, 2,140,273.04 and 454,558.38 is: 681,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,320.95 : 2,140,273.04 = 454,558.38 : x
  2. Step 2: Convert to fraction form
    1,427,320.95/2,140,273.04 = 454,558.38/x
  3. Step 3: Cross multiply
    1,427,320.95x = 2,140,273.04 × 454,558.38
  4. Step 4: Simplify right side
    1,427,320.95x = 972,879,048,199.50
  5. Step 5: Solve for x
    x = 972,879,048,199.50/1,427,320.95
  6. Step 6: Final answer
    x = 681,611.97

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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.