Home / 1,008,004.20-1,510,256.70-945,018.60

Finding the Fourth Proportional to 1,008,004.20, 1,510,256.70 and 945,018.60

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Solution

The fourth proportional to 1,008,004.20, 1,510,256.70 and 945,018.60 is: 1,415,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,004.20 : 1,510,256.70 = 945,018.60 : x
  2. Step 2: Convert to fraction form
    1,008,004.20/1,510,256.70 = 945,018.60/x
  3. Step 3: Cross multiply
    1,008,004.20x = 1,510,256.70 × 945,018.60
  4. Step 4: Simplify right side
    1,008,004.20x = 1,427,220,672,274.62
  5. Step 5: Solve for x
    x = 1,427,220,672,274.62/1,008,004.20
  6. Step 6: Final answer
    x = 1,415,887.62

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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.