Home / 1,076,836.80-1,615,255.20-698,923.20

Finding the Fourth Proportional to 1,076,836.80, 1,615,255.20 and 698,923.20

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Solution

The fourth proportional to 1,076,836.80, 1,615,255.20 and 698,923.20 is: 1,048,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,836.80 : 1,615,255.20 = 698,923.20 : x
  2. Step 2: Convert to fraction form
    1,076,836.80/1,615,255.20 = 698,923.20/x
  3. Step 3: Cross multiply
    1,076,836.80x = 1,615,255.20 × 698,923.20
  4. Step 4: Simplify right side
    1,076,836.80x = 1,128,939,333,200.64
  5. Step 5: Solve for x
    x = 1,128,939,333,200.64/1,076,836.80
  6. Step 6: Final answer
    x = 1,048,384.80

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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.