Home / 1,608,438.83-2,413,125.20-648,398.98

Finding the Fourth Proportional to 1,608,438.83, 2,413,125.20 and 648,398.98

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Solution

The fourth proportional to 1,608,438.83, 2,413,125.20 and 648,398.98 is: 972,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,438.83 : 2,413,125.20 = 648,398.98 : x
  2. Step 2: Convert to fraction form
    1,608,438.83/2,413,125.20 = 648,398.98/x
  3. Step 3: Cross multiply
    1,608,438.83x = 2,413,125.20 × 648,398.98
  4. Step 4: Simplify right side
    1,608,438.83x = 1,564,667,913,880.48
  5. Step 5: Solve for x
    x = 1,564,667,913,880.48/1,608,438.83
  6. Step 6: Final answer
    x = 972,786.71

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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.