Home / 1,200,093.40-1,800,140.10-313,629.40

Finding the Fourth Proportional to 1,200,093.40, 1,800,140.10 and 313,629.40

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Solution

The fourth proportional to 1,200,093.40, 1,800,140.10 and 313,629.40 is: 470,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,093.40 : 1,800,140.10 = 313,629.40 : x
  2. Step 2: Convert to fraction form
    1,200,093.40/1,800,140.10 = 313,629.40/x
  3. Step 3: Cross multiply
    1,200,093.40x = 1,800,140.10 × 313,629.40
  4. Step 4: Simplify right side
    1,200,093.40x = 564,576,859,478.94
  5. Step 5: Solve for x
    x = 564,576,859,478.94/1,200,093.40
  6. Step 6: Final answer
    x = 470,444.10

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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.