Home / 1,409,772.99-1,945,488.69-765,193.32

Finding the Fourth Proportional to 1,409,772.99, 1,945,488.69 and 765,193.32

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Solution

The fourth proportional to 1,409,772.99, 1,945,488.69 and 765,193.32 is: 1,055,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,772.99 : 1,945,488.69 = 765,193.32 : x
  2. Step 2: Convert to fraction form
    1,409,772.99/1,945,488.69 = 765,193.32/x
  3. Step 3: Cross multiply
    1,409,772.99x = 1,945,488.69 × 765,193.32
  4. Step 4: Simplify right side
    1,409,772.99x = 1,488,674,949,723.55
  5. Step 5: Solve for x
    x = 1,488,674,949,723.55/1,409,772.99
  6. Step 6: Final answer
    x = 1,055,967.85

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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.