Home / 1,384,348.80-2,076,523.20-438,009.60

Finding the Fourth Proportional to 1,384,348.80, 2,076,523.20 and 438,009.60

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Solution

The fourth proportional to 1,384,348.80, 2,076,523.20 and 438,009.60 is: 657,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,348.80 : 2,076,523.20 = 438,009.60 : x
  2. Step 2: Convert to fraction form
    1,384,348.80/2,076,523.20 = 438,009.60/x
  3. Step 3: Cross multiply
    1,384,348.80x = 2,076,523.20 × 438,009.60
  4. Step 4: Simplify right side
    1,384,348.80x = 909,537,096,222.72
  5. Step 5: Solve for x
    x = 909,537,096,222.72/1,384,348.80
  6. Step 6: Final answer
    x = 657,014.40

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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.