Home / 1,381,297.23-2,070,374.67-840,361.10

Finding the Fourth Proportional to 1,381,297.23, 2,070,374.67 and 840,361.10

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Solution

The fourth proportional to 1,381,297.23, 2,070,374.67 and 840,361.10 is: 1,259,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,297.23 : 2,070,374.67 = 840,361.10 : x
  2. Step 2: Convert to fraction form
    1,381,297.23/2,070,374.67 = 840,361.10/x
  3. Step 3: Cross multiply
    1,381,297.23x = 2,070,374.67 × 840,361.10
  4. Step 4: Simplify right side
    1,381,297.23x = 1,739,862,324,741.46
  5. Step 5: Solve for x
    x = 1,739,862,324,741.46/1,381,297.23
  6. Step 6: Final answer
    x = 1,259,585.76

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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.