Home / 1,262,810.23-1,894,231.76-421,361.98

Finding the Fourth Proportional to 1,262,810.23, 1,894,231.76 and 421,361.98

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Solution

The fourth proportional to 1,262,810.23, 1,894,231.76 and 421,361.98 is: 632,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,810.23 : 1,894,231.76 = 421,361.98 : x
  2. Step 2: Convert to fraction form
    1,262,810.23/1,894,231.76 = 421,361.98/x
  3. Step 3: Cross multiply
    1,262,810.23x = 1,894,231.76 × 421,361.98
  4. Step 4: Simplify right side
    1,262,810.23x = 798,157,238,130.10
  5. Step 5: Solve for x
    x = 798,157,238,130.10/1,262,810.23
  6. Step 6: Final answer
    x = 632,048.44

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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.