Home / 860,515.25-1,290,927.78-701,996.63

Finding the Fourth Proportional to 860,515.25, 1,290,927.78 and 701,996.63

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Solution

The fourth proportional to 860,515.25, 1,290,927.78 and 701,996.63 is: 1,053,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,515.25 : 1,290,927.78 = 701,996.63 : x
  2. Step 2: Convert to fraction form
    860,515.25/1,290,927.78 = 701,996.63/x
  3. Step 3: Cross multiply
    860,515.25x = 1,290,927.78 × 701,996.63
  4. Step 4: Simplify right side
    860,515.25x = 906,226,944,678.74
  5. Step 5: Solve for x
    x = 906,226,944,678.74/860,515.25
  6. Step 6: Final answer
    x = 1,053,121.31

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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.