Home / 1,262,810.35-1,894,231.94-421,362.10

Finding the Fourth Proportional to 1,262,810.35, 1,894,231.94 and 421,362.10

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Solution

The fourth proportional to 1,262,810.35, 1,894,231.94 and 421,362.10 is: 632,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,810.35 : 1,894,231.94 = 421,362.10 : x
  2. Step 2: Convert to fraction form
    1,262,810.35/1,894,231.94 = 421,362.10/x
  3. Step 3: Cross multiply
    1,262,810.35x = 1,894,231.94 × 421,362.10
  4. Step 4: Simplify right side
    1,262,810.35x = 798,157,548,125.47
  5. Step 5: Solve for x
    x = 798,157,548,125.47/1,262,810.35
  6. Step 6: Final answer
    x = 632,048.63

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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.