Home / 1,029,879-1,421,320.50-577,257.48

Finding the Fourth Proportional to 1,029,879, 1,421,320.50 and 577,257.48

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Solution

The fourth proportional to 1,029,879, 1,421,320.50 and 577,257.48 is: 796,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,879 : 1,421,320.50 = 577,257.48 : x
  2. Step 2: Convert to fraction form
    1,029,879/1,421,320.50 = 577,257.48/x
  3. Step 3: Cross multiply
    1,029,879x = 1,421,320.50 × 577,257.48
  4. Step 4: Simplify right side
    1,029,879x = 820,467,890,102.34
  5. Step 5: Solve for x
    x = 820,467,890,102.34/1,029,879
  6. Step 6: Final answer
    x = 796,664.36

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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.