Home / 1,303,991.06-1,799,480.85-723,120.45

Finding the Fourth Proportional to 1,303,991.06, 1,799,480.85 and 723,120.45

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Solution

The fourth proportional to 1,303,991.06, 1,799,480.85 and 723,120.45 is: 997,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,991.06 : 1,799,480.85 = 723,120.45 : x
  2. Step 2: Convert to fraction form
    1,303,991.06/1,799,480.85 = 723,120.45/x
  3. Step 3: Cross multiply
    1,303,991.06x = 1,799,480.85 × 723,120.45
  4. Step 4: Simplify right side
    1,303,991.06x = 1,301,241,411,478.14
  5. Step 5: Solve for x
    x = 1,301,241,411,478.14/1,303,991.06
  6. Step 6: Final answer
    x = 997,891.36

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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.