Home / 1,619,999.40-2,429,999.10-482,759.40

Finding the Fourth Proportional to 1,619,999.40, 2,429,999.10 and 482,759.40

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Solution

The fourth proportional to 1,619,999.40, 2,429,999.10 and 482,759.40 is: 724,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,999.40 : 2,429,999.10 = 482,759.40 : x
  2. Step 2: Convert to fraction form
    1,619,999.40/2,429,999.10 = 482,759.40/x
  3. Step 3: Cross multiply
    1,619,999.40x = 2,429,999.10 × 482,759.40
  4. Step 4: Simplify right side
    1,619,999.40x = 1,173,104,907,516.54
  5. Step 5: Solve for x
    x = 1,173,104,907,516.54/1,619,999.40
  6. Step 6: Final answer
    x = 724,139.10

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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.