Home / 1,296,037.40-1,946,129.70-980,850.20

Finding the Fourth Proportional to 1,296,037.40, 1,946,129.70 and 980,850.20

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Solution

The fourth proportional to 1,296,037.40, 1,946,129.70 and 980,850.20 is: 1,472,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,037.40 : 1,946,129.70 = 980,850.20 : x
  2. Step 2: Convert to fraction form
    1,296,037.40/1,946,129.70 = 980,850.20/x
  3. Step 3: Cross multiply
    1,296,037.40x = 1,946,129.70 × 980,850.20
  4. Step 4: Simplify right side
    1,296,037.40x = 1,908,861,705,470.94
  5. Step 5: Solve for x
    x = 1,908,861,705,470.94/1,296,037.40
  6. Step 6: Final answer
    x = 1,472,844.62

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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.