Home / 1,381,005.51-2,070,096.57-931,771.95

Finding the Fourth Proportional to 1,381,005.51, 2,070,096.57 and 931,771.95

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Solution

The fourth proportional to 1,381,005.51, 2,070,096.57 and 931,771.95 is: 1,396,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,005.51 : 2,070,096.57 = 931,771.95 : x
  2. Step 2: Convert to fraction form
    1,381,005.51/2,070,096.57 = 931,771.95/x
  3. Step 3: Cross multiply
    1,381,005.51x = 2,070,096.57 × 931,771.95
  4. Step 4: Simplify right side
    1,381,005.51x = 1,928,857,917,717.21
  5. Step 5: Solve for x
    x = 1,928,857,917,717.21/1,381,005.51
  6. Step 6: Final answer
    x = 1,396,705.45

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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.