Home / 1,189,725.79-1,782,423.56-1,062,179.95

Finding the Fourth Proportional to 1,189,725.79, 1,782,423.56 and 1,062,179.95

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Solution

The fourth proportional to 1,189,725.79, 1,782,423.56 and 1,062,179.95 is: 1,591,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,725.79 : 1,782,423.56 = 1,062,179.95 : x
  2. Step 2: Convert to fraction form
    1,189,725.79/1,782,423.56 = 1,062,179.95/x
  3. Step 3: Cross multiply
    1,189,725.79x = 1,782,423.56 × 1,062,179.95
  4. Step 4: Simplify right side
    1,189,725.79x = 1,893,254,562,528.72
  5. Step 5: Solve for x
    x = 1,893,254,562,528.72/1,189,725.79
  6. Step 6: Final answer
    x = 1,591,336.91

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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.