Home / 1,117,268.40-1,675,902.60-407,319.60

Finding the Fourth Proportional to 1,117,268.40, 1,675,902.60 and 407,319.60

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Solution

The fourth proportional to 1,117,268.40, 1,675,902.60 and 407,319.60 is: 610,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,268.40 : 1,675,902.60 = 407,319.60 : x
  2. Step 2: Convert to fraction form
    1,117,268.40/1,675,902.60 = 407,319.60/x
  3. Step 3: Cross multiply
    1,117,268.40x = 1,675,902.60 × 407,319.60
  4. Step 4: Simplify right side
    1,117,268.40x = 682,627,976,670.96
  5. Step 5: Solve for x
    x = 682,627,976,670.96/1,117,268.40
  6. Step 6: Final answer
    x = 610,979.40

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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.