Home / 1,242,817.22-1,862,933.06-843,490.46

Finding the Fourth Proportional to 1,242,817.22, 1,862,933.06 and 843,490.46

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Solution

The fourth proportional to 1,242,817.22, 1,862,933.06 and 843,490.46 is: 1,264,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,817.22 : 1,862,933.06 = 843,490.46 : x
  2. Step 2: Convert to fraction form
    1,242,817.22/1,862,933.06 = 843,490.46/x
  3. Step 3: Cross multiply
    1,242,817.22x = 1,862,933.06 × 843,490.46
  4. Step 4: Simplify right side
    1,242,817.22x = 1,571,366,263,728.61
  5. Step 5: Solve for x
    x = 1,571,366,263,728.61/1,242,817.22
  6. Step 6: Final answer
    x = 1,264,358.30

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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.