Home / 1,276,900.54-1,762,136.32-703,961.21

Finding the Fourth Proportional to 1,276,900.54, 1,762,136.32 and 703,961.21

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Solution

The fourth proportional to 1,276,900.54, 1,762,136.32 and 703,961.21 is: 971,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,900.54 : 1,762,136.32 = 703,961.21 : x
  2. Step 2: Convert to fraction form
    1,276,900.54/1,762,136.32 = 703,961.21/x
  3. Step 3: Cross multiply
    1,276,900.54x = 1,762,136.32 × 703,961.21
  4. Step 4: Simplify right side
    1,276,900.54x = 1,240,475,616,012.15
  5. Step 5: Solve for x
    x = 1,240,475,616,012.15/1,276,900.54
  6. Step 6: Final answer
    x = 971,473.96

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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.