Home / 1,384,847.28-2,076,950.16-438,041.52

Finding the Fourth Proportional to 1,384,847.28, 2,076,950.16 and 438,041.52

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Solution

The fourth proportional to 1,384,847.28, 2,076,950.16 and 438,041.52 is: 656,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,847.28 : 2,076,950.16 = 438,041.52 : x
  2. Step 2: Convert to fraction form
    1,384,847.28/2,076,950.16 = 438,041.52/x
  3. Step 3: Cross multiply
    1,384,847.28x = 2,076,950.16 × 438,041.52
  4. Step 4: Simplify right side
    1,384,847.28x = 909,790,405,050.64
  5. Step 5: Solve for x
    x = 909,790,405,050.64/1,384,847.28
  6. Step 6: Final answer
    x = 656,960.82

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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.