Home / 804,206.40-1,206,309.60-686,108.40

Finding the Fourth Proportional to 804,206.40, 1,206,309.60 and 686,108.40

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Solution

The fourth proportional to 804,206.40, 1,206,309.60 and 686,108.40 is: 1,029,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,206.40 : 1,206,309.60 = 686,108.40 : x
  2. Step 2: Convert to fraction form
    804,206.40/1,206,309.60 = 686,108.40/x
  3. Step 3: Cross multiply
    804,206.40x = 1,206,309.60 × 686,108.40
  4. Step 4: Simplify right side
    804,206.40x = 827,659,149,560.64
  5. Step 5: Solve for x
    x = 827,659,149,560.64/804,206.40
  6. Step 6: Final answer
    x = 1,029,162.60

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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.