Home / 783,106.30-1,174,659.45-689,794.30

Finding the Fourth Proportional to 783,106.30, 1,174,659.45 and 689,794.30

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Solution

The fourth proportional to 783,106.30, 1,174,659.45 and 689,794.30 is: 1,034,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,106.30 : 1,174,659.45 = 689,794.30 : x
  2. Step 2: Convert to fraction form
    783,106.30/1,174,659.45 = 689,794.30/x
  3. Step 3: Cross multiply
    783,106.30x = 1,174,659.45 × 689,794.30
  4. Step 4: Simplify right side
    783,106.30x = 810,273,393,051.14
  5. Step 5: Solve for x
    x = 810,273,393,051.14/783,106.30
  6. Step 6: Final answer
    x = 1,034,691.45

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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.