Home / 979,359.60-1,469,039.40-973,138.80

Finding the Fourth Proportional to 979,359.60, 1,469,039.40 and 973,138.80

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Solution

The fourth proportional to 979,359.60, 1,469,039.40 and 973,138.80 is: 1,459,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,359.60 : 1,469,039.40 = 973,138.80 : x
  2. Step 2: Convert to fraction form
    979,359.60/1,469,039.40 = 973,138.80/x
  3. Step 3: Cross multiply
    979,359.60x = 1,469,039.40 × 973,138.80
  4. Step 4: Simplify right side
    979,359.60x = 1,429,579,238,868.72
  5. Step 5: Solve for x
    x = 1,429,579,238,868.72/979,359.60
  6. Step 6: Final answer
    x = 1,459,708.20

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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.