Home / 1,210,092.20-1,815,138.30-368,534.60

Finding the Fourth Proportional to 1,210,092.20, 1,815,138.30 and 368,534.60

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Solution

The fourth proportional to 1,210,092.20, 1,815,138.30 and 368,534.60 is: 552,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,092.20 : 1,815,138.30 = 368,534.60 : x
  2. Step 2: Convert to fraction form
    1,210,092.20/1,815,138.30 = 368,534.60/x
  3. Step 3: Cross multiply
    1,210,092.20x = 1,815,138.30 × 368,534.60
  4. Step 4: Simplify right side
    1,210,092.20x = 668,941,267,335.18
  5. Step 5: Solve for x
    x = 668,941,267,335.18/1,210,092.20
  6. Step 6: Final answer
    x = 552,801.90

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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.