Home / 1,303,991.09-1,799,480.90-723,120.49

Finding the Fourth Proportional to 1,303,991.09, 1,799,480.90 and 723,120.49

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Solution

The fourth proportional to 1,303,991.09, 1,799,480.90 and 723,120.49 is: 997,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,991.09 : 1,799,480.90 = 723,120.49 : x
  2. Step 2: Convert to fraction form
    1,303,991.09/1,799,480.90 = 723,120.49/x
  3. Step 3: Cross multiply
    1,303,991.09x = 1,799,480.90 × 723,120.49
  4. Step 4: Simplify right side
    1,303,991.09x = 1,301,241,497,540.63
  5. Step 5: Solve for x
    x = 1,301,241,497,540.63/1,303,991.09
  6. Step 6: Final answer
    x = 997,891.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.