Home / 1,079,041.52-1,618,563.36-280,256.24

Finding the Fourth Proportional to 1,079,041.52, 1,618,563.36 and 280,256.24

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Solution

The fourth proportional to 1,079,041.52, 1,618,563.36 and 280,256.24 is: 420,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,041.52 : 1,618,563.36 = 280,256.24 : x
  2. Step 2: Convert to fraction form
    1,079,041.52/1,618,563.36 = 280,256.24/x
  3. Step 3: Cross multiply
    1,079,041.52x = 1,618,563.36 × 280,256.24
  4. Step 4: Simplify right side
    1,079,041.52x = 453,612,481,475.37
  5. Step 5: Solve for x
    x = 453,612,481,475.37/1,079,041.52
  6. Step 6: Final answer
    x = 420,384.64

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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.