Home / 979,619.20-1,469,428.80-973,398.40

Finding the Fourth Proportional to 979,619.20, 1,469,428.80 and 973,398.40

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Solution

The fourth proportional to 979,619.20, 1,469,428.80 and 973,398.40 is: 1,460,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,619.20 : 1,469,428.80 = 973,398.40 : x
  2. Step 2: Convert to fraction form
    979,619.20/1,469,428.80 = 973,398.40/x
  3. Step 3: Cross multiply
    979,619.20x = 1,469,428.80 × 973,398.40
  4. Step 4: Simplify right side
    979,619.20x = 1,430,339,642,833.92
  5. Step 5: Solve for x
    x = 1,430,339,642,833.92/979,619.20
  6. Step 6: Final answer
    x = 1,460,097.60

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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.