Home / 1,126,551.33-1,554,119.73-997,621.20

Finding the Fourth Proportional to 1,126,551.33, 1,554,119.73 and 997,621.20

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Solution

The fourth proportional to 1,126,551.33, 1,554,119.73 and 997,621.20 is: 1,376,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,551.33 : 1,554,119.73 = 997,621.20 : x
  2. Step 2: Convert to fraction form
    1,126,551.33/1,554,119.73 = 997,621.20/x
  3. Step 3: Cross multiply
    1,126,551.33x = 1,554,119.73 × 997,621.20
  4. Step 4: Simplify right side
    1,126,551.33x = 1,550,422,789,986.28
  5. Step 5: Solve for x
    x = 1,550,422,789,986.28/1,126,551.33
  6. Step 6: Final answer
    x = 1,376,255.79

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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.