Home / 1,753,409.70-2,630,140.47-491,157.54

Finding the Fourth Proportional to 1,753,409.70, 2,630,140.47 and 491,157.54

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Solution

The fourth proportional to 1,753,409.70, 2,630,140.47 and 491,157.54 is: 736,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,409.70 : 2,630,140.47 = 491,157.54 : x
  2. Step 2: Convert to fraction form
    1,753,409.70/2,630,140.47 = 491,157.54/x
  3. Step 3: Cross multiply
    1,753,409.70x = 2,630,140.47 × 491,157.54
  4. Step 4: Simplify right side
    1,753,409.70x = 1,291,813,323,099.64
  5. Step 5: Solve for x
    x = 1,291,813,323,099.64/1,753,409.70
  6. Step 6: Final answer
    x = 736,743.57

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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.