Home / 1,384,145.92-2,076,039.36-437,612.16

Finding the Fourth Proportional to 1,384,145.92, 2,076,039.36 and 437,612.16

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Solution

The fourth proportional to 1,384,145.92, 2,076,039.36 and 437,612.16 is: 656,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,145.92 : 2,076,039.36 = 437,612.16 : x
  2. Step 2: Convert to fraction form
    1,384,145.92/2,076,039.36 = 437,612.16/x
  3. Step 3: Cross multiply
    1,384,145.92x = 2,076,039.36 × 437,612.16
  4. Step 4: Simplify right side
    1,384,145.92x = 908,500,068,574.62
  5. Step 5: Solve for x
    x = 908,500,068,574.62/1,384,145.92
  6. Step 6: Final answer
    x = 656,361.48

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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.