Home / 1,262,810.85-1,894,232.70-421,362.60

Finding the Fourth Proportional to 1,262,810.85, 1,894,232.70 and 421,362.60

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Solution

The fourth proportional to 1,262,810.85, 1,894,232.70 and 421,362.60 is: 632,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,810.85 : 1,894,232.70 = 421,362.60 : x
  2. Step 2: Convert to fraction form
    1,262,810.85/1,894,232.70 = 421,362.60/x
  3. Step 3: Cross multiply
    1,262,810.85x = 1,894,232.70 × 421,362.60
  4. Step 4: Simplify right side
    1,262,810.85x = 798,158,815,477.02
  5. Step 5: Solve for x
    x = 798,158,815,477.02/1,262,810.85
  6. Step 6: Final answer
    x = 632,049.38

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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.