Home / 1,122,548.25-1,548,657.84-828,901.60

Finding the Fourth Proportional to 1,122,548.25, 1,548,657.84 and 828,901.60

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Solution

The fourth proportional to 1,122,548.25, 1,548,657.84 and 828,901.60 is: 1,143,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,548.25 : 1,548,657.84 = 828,901.60 : x
  2. Step 2: Convert to fraction form
    1,122,548.25/1,548,657.84 = 828,901.60/x
  3. Step 3: Cross multiply
    1,122,548.25x = 1,548,657.84 × 828,901.60
  4. Step 4: Simplify right side
    1,122,548.25x = 1,283,684,961,428.54
  5. Step 5: Solve for x
    x = 1,283,684,961,428.54/1,122,548.25
  6. Step 6: Final answer
    x = 1,143,545.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.