Home / 1,262,810.13-1,894,231.61-421,361.88

Finding the Fourth Proportional to 1,262,810.13, 1,894,231.61 and 421,361.88

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Solution

The fourth proportional to 1,262,810.13, 1,894,231.61 and 421,361.88 is: 632,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,810.13 : 1,894,231.61 = 421,361.88 : x
  2. Step 2: Convert to fraction form
    1,262,810.13/1,894,231.61 = 421,361.88/x
  3. Step 3: Cross multiply
    1,262,810.13x = 1,894,231.61 × 421,361.88
  4. Step 4: Simplify right side
    1,262,810.13x = 798,156,993,398.43
  5. Step 5: Solve for x
    x = 798,156,993,398.43/1,262,810.13
  6. Step 6: Final answer
    x = 632,048.30

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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.