Home / 1,456,757.76-2,185,137.60-459,563.52

Finding the Fourth Proportional to 1,456,757.76, 2,185,137.60 and 459,563.52

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Solution

The fourth proportional to 1,456,757.76, 2,185,137.60 and 459,563.52 is: 689,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,757.76 : 2,185,137.60 = 459,563.52 : x
  2. Step 2: Convert to fraction form
    1,456,757.76/2,185,137.60 = 459,563.52/x
  3. Step 3: Cross multiply
    1,456,757.76x = 2,185,137.60 × 459,563.52
  4. Step 4: Simplify right side
    1,456,757.76x = 1,004,209,527,140.35
  5. Step 5: Solve for x
    x = 1,004,209,527,140.35/1,456,757.76
  6. Step 6: Final answer
    x = 689,345.58

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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.