Home / 1,223,143.40-1,833,840.30-548,672.60

Finding the Fourth Proportional to 1,223,143.40, 1,833,840.30 and 548,672.60

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Solution

The fourth proportional to 1,223,143.40, 1,833,840.30 and 548,672.60 is: 822,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,143.40 : 1,833,840.30 = 548,672.60 : x
  2. Step 2: Convert to fraction form
    1,223,143.40/1,833,840.30 = 548,672.60/x
  3. Step 3: Cross multiply
    1,223,143.40x = 1,833,840.30 × 548,672.60
  4. Step 4: Simplify right side
    1,223,143.40x = 1,006,177,925,385.78
  5. Step 5: Solve for x
    x = 1,006,177,925,385.78/1,223,143.40
  6. Step 6: Final answer
    x = 822,616.49

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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.