Home / 1,258,596.72-1,887,860.52-311,946.48

Finding the Fourth Proportional to 1,258,596.72, 1,887,860.52 and 311,946.48

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Solution

The fourth proportional to 1,258,596.72, 1,887,860.52 and 311,946.48 is: 467,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,596.72 : 1,887,860.52 = 311,946.48 : x
  2. Step 2: Convert to fraction form
    1,258,596.72/1,887,860.52 = 311,946.48/x
  3. Step 3: Cross multiply
    1,258,596.72x = 1,887,860.52 × 311,946.48
  4. Step 4: Simplify right side
    1,258,596.72x = 588,911,443,944.97
  5. Step 5: Solve for x
    x = 588,911,443,944.97/1,258,596.72
  6. Step 6: Final answer
    x = 467,911.15

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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.