Home / 1,330,806.20-1,992,710.10-973,887.80

Finding the Fourth Proportional to 1,330,806.20, 1,992,710.10 and 973,887.80

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Solution

The fourth proportional to 1,330,806.20, 1,992,710.10 and 973,887.80 is: 1,458,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,806.20 : 1,992,710.10 = 973,887.80 : x
  2. Step 2: Convert to fraction form
    1,330,806.20/1,992,710.10 = 973,887.80/x
  3. Step 3: Cross multiply
    1,330,806.20x = 1,992,710.10 × 973,887.80
  4. Step 4: Simplify right side
    1,330,806.20x = 1,940,676,055,326.78
  5. Step 5: Solve for x
    x = 1,940,676,055,326.78/1,330,806.20
  6. Step 6: Final answer
    x = 1,458,270.98

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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.