Home / 1,431,646.36-2,147,420.32-366,697.64

Finding the Fourth Proportional to 1,431,646.36, 2,147,420.32 and 366,697.64

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Solution

The fourth proportional to 1,431,646.36, 2,147,420.32 and 366,697.64 is: 550,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,646.36 : 2,147,420.32 = 366,697.64 : x
  2. Step 2: Convert to fraction form
    1,431,646.36/2,147,420.32 = 366,697.64/x
  3. Step 3: Cross multiply
    1,431,646.36x = 2,147,420.32 × 366,697.64
  4. Step 4: Simplify right side
    1,431,646.36x = 787,453,963,432.05
  5. Step 5: Solve for x
    x = 787,453,963,432.05/1,431,646.36
  6. Step 6: Final answer
    x = 550,033.85

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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.