Home / 1,210,734.76-1,670,825.22-666,872.52

Finding the Fourth Proportional to 1,210,734.76, 1,670,825.22 and 666,872.52

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Solution

The fourth proportional to 1,210,734.76, 1,670,825.22 and 666,872.52 is: 920,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,734.76 : 1,670,825.22 = 666,872.52 : x
  2. Step 2: Convert to fraction form
    1,210,734.76/1,670,825.22 = 666,872.52/x
  3. Step 3: Cross multiply
    1,210,734.76x = 1,670,825.22 × 666,872.52
  4. Step 4: Simplify right side
    1,210,734.76x = 1,114,227,424,940.95
  5. Step 5: Solve for x
    x = 1,114,227,424,940.95/1,210,734.76
  6. Step 6: Final answer
    x = 920,290.27

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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.