Home / 1,121,852.40-1,682,260.20-490,441.20

Finding the Fourth Proportional to 1,121,852.40, 1,682,260.20 and 490,441.20

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Solution

The fourth proportional to 1,121,852.40, 1,682,260.20 and 490,441.20 is: 735,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,852.40 : 1,682,260.20 = 490,441.20 : x
  2. Step 2: Convert to fraction form
    1,121,852.40/1,682,260.20 = 490,441.20/x
  3. Step 3: Cross multiply
    1,121,852.40x = 1,682,260.20 × 490,441.20
  4. Step 4: Simplify right side
    1,121,852.40x = 825,049,711,200.24
  5. Step 5: Solve for x
    x = 825,049,711,200.24/1,121,852.40
  6. Step 6: Final answer
    x = 735,435.17

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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.