Home / 1,320,454.43-1,821,482.41-769,105.16

Finding the Fourth Proportional to 1,320,454.43, 1,821,482.41 and 769,105.16

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Solution

The fourth proportional to 1,320,454.43, 1,821,482.41 and 769,105.16 is: 1,060,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,454.43 : 1,821,482.41 = 769,105.16 : x
  2. Step 2: Convert to fraction form
    1,320,454.43/1,821,482.41 = 769,105.16/x
  3. Step 3: Cross multiply
    1,320,454.43x = 1,821,482.41 × 769,105.16
  4. Step 4: Simplify right side
    1,320,454.43x = 1,400,911,507,427.30
  5. Step 5: Solve for x
    x = 1,400,911,507,427.30/1,320,454.43
  6. Step 6: Final answer
    x = 1,060,931.35

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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.