Home / 1,423,949.57-1,965,043.24-770,575.12

Finding the Fourth Proportional to 1,423,949.57, 1,965,043.24 and 770,575.12

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Solution

The fourth proportional to 1,423,949.57, 1,965,043.24 and 770,575.12 is: 1,063,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,949.57 : 1,965,043.24 = 770,575.12 : x
  2. Step 2: Convert to fraction form
    1,423,949.57/1,965,043.24 = 770,575.12/x
  3. Step 3: Cross multiply
    1,423,949.57x = 1,965,043.24 × 770,575.12
  4. Step 4: Simplify right side
    1,423,949.57x = 1,514,213,439,017.00
  5. Step 5: Solve for x
    x = 1,514,213,439,017.00/1,423,949.57
  6. Step 6: Final answer
    x = 1,063,389.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.