Home / 1,059,615.76-1,589,423.94-311,661.76

Finding the Fourth Proportional to 1,059,615.76, 1,589,423.94 and 311,661.76

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Solution

The fourth proportional to 1,059,615.76, 1,589,423.94 and 311,661.76 is: 467,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,615.76 : 1,589,423.94 = 311,661.76 : x
  2. Step 2: Convert to fraction form
    1,059,615.76/1,589,423.94 = 311,661.76/x
  3. Step 3: Cross multiply
    1,059,615.76x = 1,589,423.94 × 311,661.76
  4. Step 4: Simplify right side
    1,059,615.76x = 495,362,658,552.98
  5. Step 5: Solve for x
    x = 495,362,658,552.98/1,059,615.76
  6. Step 6: Final answer
    x = 467,492.73

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1.5x scale

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.