Home / 917,618.70-1,373,706.45-682,005.90

Finding the Fourth Proportional to 917,618.70, 1,373,706.45 and 682,005.90

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Solution

The fourth proportional to 917,618.70, 1,373,706.45 and 682,005.90 is: 1,020,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,618.70 : 1,373,706.45 = 682,005.90 : x
  2. Step 2: Convert to fraction form
    917,618.70/1,373,706.45 = 682,005.90/x
  3. Step 3: Cross multiply
    917,618.70x = 1,373,706.45 × 682,005.90
  4. Step 4: Simplify right side
    917,618.70x = 936,875,903,768.06
  5. Step 5: Solve for x
    x = 936,875,903,768.06/917,618.70
  6. Step 6: Final answer
    x = 1,020,986.06

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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.