Home / 1,106,429.10-1,659,643.65-763,944.90

Finding the Fourth Proportional to 1,106,429.10, 1,659,643.65 and 763,944.90

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Solution

The fourth proportional to 1,106,429.10, 1,659,643.65 and 763,944.90 is: 1,145,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,429.10 : 1,659,643.65 = 763,944.90 : x
  2. Step 2: Convert to fraction form
    1,106,429.10/1,659,643.65 = 763,944.90/x
  3. Step 3: Cross multiply
    1,106,429.10x = 1,659,643.65 × 763,944.90
  4. Step 4: Simplify right side
    1,106,429.10x = 1,267,876,302,234.89
  5. Step 5: Solve for x
    x = 1,267,876,302,234.89/1,106,429.10
  6. Step 6: Final answer
    x = 1,145,917.35

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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.