Home / 1,603,000.40-2,407,999.80-1,130,608.40

Finding the Fourth Proportional to 1,603,000.40, 2,407,999.80 and 1,130,608.40

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Solution

The fourth proportional to 1,603,000.40, 2,407,999.80 and 1,130,608.40 is: 1,698,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,000.40 : 2,407,999.80 = 1,130,608.40 : x
  2. Step 2: Convert to fraction form
    1,603,000.40/2,407,999.80 = 1,130,608.40/x
  3. Step 3: Cross multiply
    1,603,000.40x = 2,407,999.80 × 1,130,608.40
  4. Step 4: Simplify right side
    1,603,000.40x = 2,722,504,801,078.32
  5. Step 5: Solve for x
    x = 2,722,504,801,078.32/1,603,000.40
  6. Step 6: Final answer
    x = 1,698,380.61

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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.