Home / 810,004.60-1,212,674.10-786,676.60

Finding the Fourth Proportional to 810,004.60, 1,212,674.10 and 786,676.60

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Solution

The fourth proportional to 810,004.60, 1,212,674.10 and 786,676.60 is: 1,177,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,004.60 : 1,212,674.10 = 786,676.60 : x
  2. Step 2: Convert to fraction form
    810,004.60/1,212,674.10 = 786,676.60/x
  3. Step 3: Cross multiply
    810,004.60x = 1,212,674.10 × 786,676.60
  4. Step 4: Simplify right side
    810,004.60x = 953,982,337,896.06
  5. Step 5: Solve for x
    x = 953,982,337,896.06/810,004.60
  6. Step 6: Final answer
    x = 1,177,749.28

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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.