Home / 1,134,014.80-1,701,022.20-686,117.20

Finding the Fourth Proportional to 1,134,014.80, 1,701,022.20 and 686,117.20

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Solution

The fourth proportional to 1,134,014.80, 1,701,022.20 and 686,117.20 is: 1,029,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,014.80 : 1,701,022.20 = 686,117.20 : x
  2. Step 2: Convert to fraction form
    1,134,014.80/1,701,022.20 = 686,117.20/x
  3. Step 3: Cross multiply
    1,134,014.80x = 1,701,022.20 × 686,117.20
  4. Step 4: Simplify right side
    1,134,014.80x = 1,167,100,589,001.84
  5. Step 5: Solve for x
    x = 1,167,100,589,001.84/1,134,014.80
  6. Step 6: Final answer
    x = 1,029,175.80

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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.