Home / 1,372,423.85-2,056,742.43-990,299.82

Finding the Fourth Proportional to 1,372,423.85, 2,056,742.43 and 990,299.82

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Solution

The fourth proportional to 1,372,423.85, 2,056,742.43 and 990,299.82 is: 1,484,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,423.85 : 2,056,742.43 = 990,299.82 : x
  2. Step 2: Convert to fraction form
    1,372,423.85/2,056,742.43 = 990,299.82/x
  3. Step 3: Cross multiply
    1,372,423.85x = 2,056,742.43 × 990,299.82
  4. Step 4: Simplify right side
    1,372,423.85x = 2,036,791,667,784.96
  5. Step 5: Solve for x
    x = 2,036,791,667,784.96/1,372,423.85
  6. Step 6: Final answer
    x = 1,484,083.55

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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.