Home / 1,208,455.52-1,812,295.24-398,657.92

Finding the Fourth Proportional to 1,208,455.52, 1,812,295.24 and 398,657.92

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Solution

The fourth proportional to 1,208,455.52, 1,812,295.24 and 398,657.92 is: 597,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,455.52 : 1,812,295.24 = 398,657.92 : x
  2. Step 2: Convert to fraction form
    1,208,455.52/1,812,295.24 = 398,657.92/x
  3. Step 3: Cross multiply
    1,208,455.52x = 1,812,295.24 × 398,657.92
  4. Step 4: Simplify right side
    1,208,455.52x = 722,485,850,804.30
  5. Step 5: Solve for x
    x = 722,485,850,804.30/1,208,455.52
  6. Step 6: Final answer
    x = 597,858.87

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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.