Home / 1,230,100.60-1,845,150.90-698,659.60

Finding the Fourth Proportional to 1,230,100.60, 1,845,150.90 and 698,659.60

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Solution

The fourth proportional to 1,230,100.60, 1,845,150.90 and 698,659.60 is: 1,047,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,100.60 : 1,845,150.90 = 698,659.60 : x
  2. Step 2: Convert to fraction form
    1,230,100.60/1,845,150.90 = 698,659.60/x
  3. Step 3: Cross multiply
    1,230,100.60x = 1,845,150.90 × 698,659.60
  4. Step 4: Simplify right side
    1,230,100.60x = 1,289,132,389,733.64
  5. Step 5: Solve for x
    x = 1,289,132,389,733.64/1,230,100.60
  6. Step 6: Final answer
    x = 1,047,989.40

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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.