Home / 1,206,968.70-1,807,500.60-575,144.40

Finding the Fourth Proportional to 1,206,968.70, 1,807,500.60 and 575,144.40

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Solution

The fourth proportional to 1,206,968.70, 1,807,500.60 and 575,144.40 is: 861,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,968.70 : 1,807,500.60 = 575,144.40 : x
  2. Step 2: Convert to fraction form
    1,206,968.70/1,807,500.60 = 575,144.40/x
  3. Step 3: Cross multiply
    1,206,968.70x = 1,807,500.60 × 575,144.40
  4. Step 4: Simplify right side
    1,206,968.70x = 1,039,573,848,086.64
  5. Step 5: Solve for x
    x = 1,039,573,848,086.64/1,206,968.70
  6. Step 6: Final answer
    x = 861,309.70

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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.