Home / 1,039,003.80-1,555,881.30-682,085.40

Finding the Fourth Proportional to 1,039,003.80, 1,555,881.30 and 682,085.40

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Solution

The fourth proportional to 1,039,003.80, 1,555,881.30 and 682,085.40 is: 1,021,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,003.80 : 1,555,881.30 = 682,085.40 : x
  2. Step 2: Convert to fraction form
    1,039,003.80/1,555,881.30 = 682,085.40/x
  3. Step 3: Cross multiply
    1,039,003.80x = 1,555,881.30 × 682,085.40
  4. Step 4: Simplify right side
    1,039,003.80x = 1,061,243,918,863.02
  5. Step 5: Solve for x
    x = 1,061,243,918,863.02/1,039,003.80
  6. Step 6: Final answer
    x = 1,021,405.23

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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.