Home / 1,383,048.80-2,076,128.40-1,068,898.40

Finding the Fourth Proportional to 1,383,048.80, 2,076,128.40 and 1,068,898.40

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Solution

The fourth proportional to 1,383,048.80, 2,076,128.40 and 1,068,898.40 is: 1,604,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,048.80 : 2,076,128.40 = 1,068,898.40 : x
  2. Step 2: Convert to fraction form
    1,383,048.80/2,076,128.40 = 1,068,898.40/x
  3. Step 3: Cross multiply
    1,383,048.80x = 2,076,128.40 × 1,068,898.40
  4. Step 4: Simplify right side
    1,383,048.80x = 2,219,170,324,954.56
  5. Step 5: Solve for x
    x = 2,219,170,324,954.56/1,383,048.80
  6. Step 6: Final answer
    x = 1,604,549.55

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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.