Home / 1,576,483.21-2,364,724.83-378,405.52

Finding the Fourth Proportional to 1,576,483.21, 2,364,724.83 and 378,405.52

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Solution

The fourth proportional to 1,576,483.21, 2,364,724.83 and 378,405.52 is: 567,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,483.21 : 2,364,724.83 = 378,405.52 : x
  2. Step 2: Convert to fraction form
    1,576,483.21/2,364,724.83 = 378,405.52/x
  3. Step 3: Cross multiply
    1,576,483.21x = 2,364,724.83 × 378,405.52
  4. Step 4: Simplify right side
    1,576,483.21x = 894,824,928,953.06
  5. Step 5: Solve for x
    x = 894,824,928,953.06/1,576,483.21
  6. Step 6: Final answer
    x = 567,608.29

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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.