Home / 1,201,511.07-1,802,441.57-360,128.43

Finding the Fourth Proportional to 1,201,511.07, 1,802,441.57 and 360,128.43

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Solution

The fourth proportional to 1,201,511.07, 1,802,441.57 and 360,128.43 is: 540,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,511.07 : 1,802,441.57 = 360,128.43 : x
  2. Step 2: Convert to fraction form
    1,201,511.07/1,802,441.57 = 360,128.43/x
  3. Step 3: Cross multiply
    1,201,511.07x = 1,802,441.57 × 360,128.43
  4. Step 4: Simplify right side
    1,201,511.07x = 649,110,450,970.19
  5. Step 5: Solve for x
    x = 649,110,450,970.19/1,201,511.07
  6. Step 6: Final answer
    x = 540,245.09

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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.