Home / 1,276,884.45-1,762,179.89-703,923.57

Finding the Fourth Proportional to 1,276,884.45, 1,762,179.89 and 703,923.57

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Solution

The fourth proportional to 1,276,884.45, 1,762,179.89 and 703,923.57 is: 971,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,884.45 : 1,762,179.89 = 703,923.57 : x
  2. Step 2: Convert to fraction form
    1,276,884.45/1,762,179.89 = 703,923.57/x
  3. Step 3: Cross multiply
    1,276,884.45x = 1,762,179.89 × 703,923.57
  4. Step 4: Simplify right side
    1,276,884.45x = 1,240,439,955,631.39
  5. Step 5: Solve for x
    x = 1,240,439,955,631.39/1,276,884.45
  6. Step 6: Final answer
    x = 971,458.27

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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.