Home / 1,076,921.40-1,613,999.70-655,750.20

Finding the Fourth Proportional to 1,076,921.40, 1,613,999.70 and 655,750.20

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Solution

The fourth proportional to 1,076,921.40, 1,613,999.70 and 655,750.20 is: 982,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,921.40 : 1,613,999.70 = 655,750.20 : x
  2. Step 2: Convert to fraction form
    1,076,921.40/1,613,999.70 = 655,750.20/x
  3. Step 3: Cross multiply
    1,076,921.40x = 1,613,999.70 × 655,750.20
  4. Step 4: Simplify right side
    1,076,921.40x = 1,058,380,626,074.94
  5. Step 5: Solve for x
    x = 1,058,380,626,074.94/1,076,921.40
  6. Step 6: Final answer
    x = 982,783.54

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1.5x scale

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.