Home / 1,012,821.70-1,397,690.49-560,102.98

Finding the Fourth Proportional to 1,012,821.70, 1,397,690.49 and 560,102.98

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Solution

The fourth proportional to 1,012,821.70, 1,397,690.49 and 560,102.98 is: 772,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,821.70 : 1,397,690.49 = 560,102.98 : x
  2. Step 2: Convert to fraction form
    1,012,821.70/1,397,690.49 = 560,102.98/x
  3. Step 3: Cross multiply
    1,012,821.70x = 1,397,690.49 × 560,102.98
  4. Step 4: Simplify right side
    1,012,821.70x = 782,850,608,566.66
  5. Step 5: Solve for x
    x = 782,850,608,566.66/1,012,821.70
  6. Step 6: Final answer
    x = 772,940.20

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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.