Home / 1,076,800.80-1,615,201.20-740,877.60

Finding the Fourth Proportional to 1,076,800.80, 1,615,201.20 and 740,877.60

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Solution

The fourth proportional to 1,076,800.80, 1,615,201.20 and 740,877.60 is: 1,111,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,800.80 : 1,615,201.20 = 740,877.60 : x
  2. Step 2: Convert to fraction form
    1,076,800.80/1,615,201.20 = 740,877.60/x
  3. Step 3: Cross multiply
    1,076,800.80x = 1,615,201.20 × 740,877.60
  4. Step 4: Simplify right side
    1,076,800.80x = 1,196,666,388,573.12
  5. Step 5: Solve for x
    x = 1,196,666,388,573.12/1,076,800.80
  6. Step 6: Final answer
    x = 1,111,316.40

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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.