Home / 1,200,783.36-1,799,392.64-667,570.89

Finding the Fourth Proportional to 1,200,783.36, 1,799,392.64 and 667,570.89

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Solution

The fourth proportional to 1,200,783.36, 1,799,392.64 and 667,570.89 is: 1,000,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,783.36 : 1,799,392.64 = 667,570.89 : x
  2. Step 2: Convert to fraction form
    1,200,783.36/1,799,392.64 = 667,570.89/x
  3. Step 3: Cross multiply
    1,200,783.36x = 1,799,392.64 × 667,570.89
  4. Step 4: Simplify right side
    1,200,783.36x = 1,201,222,142,806.40
  5. Step 5: Solve for x
    x = 1,201,222,142,806.40/1,200,783.36
  6. Step 6: Final answer
    x = 1,000,365.41

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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.