Home / 1,123,406.20-1,683,035.70-1,048,756.60

Finding the Fourth Proportional to 1,123,406.20, 1,683,035.70 and 1,048,756.60

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Solution

The fourth proportional to 1,123,406.20, 1,683,035.70 and 1,048,756.60 is: 1,571,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,406.20 : 1,683,035.70 = 1,048,756.60 : x
  2. Step 2: Convert to fraction form
    1,123,406.20/1,683,035.70 = 1,048,756.60/x
  3. Step 3: Cross multiply
    1,123,406.20x = 1,683,035.70 × 1,048,756.60
  4. Step 4: Simplify right side
    1,123,406.20x = 1,765,094,798,410.62
  5. Step 5: Solve for x
    x = 1,765,094,798,410.62/1,123,406.20
  6. Step 6: Final answer
    x = 1,571,199.09

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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.