Home / 1,384,308.90-2,076,074.55-437,969.70

Finding the Fourth Proportional to 1,384,308.90, 2,076,074.55 and 437,969.70

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Solution

The fourth proportional to 1,384,308.90, 2,076,074.55 and 437,969.70 is: 656,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,308.90 : 2,076,074.55 = 437,969.70 : x
  2. Step 2: Convert to fraction form
    1,384,308.90/2,076,074.55 = 437,969.70/x
  3. Step 3: Cross multiply
    1,384,308.90x = 2,076,074.55 × 437,969.70
  4. Step 4: Simplify right side
    1,384,308.90x = 909,257,747,841.14
  5. Step 5: Solve for x
    x = 909,257,747,841.14/1,384,308.90
  6. Step 6: Final answer
    x = 656,831.54

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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.