Home / 1,008,123.20-1,512,328.80-298,059.20

Finding the Fourth Proportional to 1,008,123.20, 1,512,328.80 and 298,059.20

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Solution

The fourth proportional to 1,008,123.20, 1,512,328.80 and 298,059.20 is: 447,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,123.20 : 1,512,328.80 = 298,059.20 : x
  2. Step 2: Convert to fraction form
    1,008,123.20/1,512,328.80 = 298,059.20/x
  3. Step 3: Cross multiply
    1,008,123.20x = 1,512,328.80 × 298,059.20
  4. Step 4: Simplify right side
    1,008,123.20x = 450,763,512,264.96
  5. Step 5: Solve for x
    x = 450,763,512,264.96/1,008,123.20
  6. Step 6: Final answer
    x = 447,131.37

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1.5x scale

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.