Home / 1,129,355.10-1,694,054.48-276,434.21

Finding the Fourth Proportional to 1,129,355.10, 1,694,054.48 and 276,434.21

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Solution

The fourth proportional to 1,129,355.10, 1,694,054.48 and 276,434.21 is: 414,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,355.10 : 1,694,054.48 = 276,434.21 : x
  2. Step 2: Convert to fraction form
    1,129,355.10/1,694,054.48 = 276,434.21/x
  3. Step 3: Cross multiply
    1,129,355.10x = 1,694,054.48 × 276,434.21
  4. Step 4: Simplify right side
    1,129,355.10x = 468,294,614,728.73
  5. Step 5: Solve for x
    x = 468,294,614,728.73/1,129,355.10
  6. Step 6: Final answer
    x = 414,656.66

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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.