Home / 1,008,091.10-1,512,136.65-931,108.70

Finding the Fourth Proportional to 1,008,091.10, 1,512,136.65 and 931,108.70

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Solution

The fourth proportional to 1,008,091.10, 1,512,136.65 and 931,108.70 is: 1,396,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,091.10 : 1,512,136.65 = 931,108.70 : x
  2. Step 2: Convert to fraction form
    1,008,091.10/1,512,136.65 = 931,108.70/x
  3. Step 3: Cross multiply
    1,008,091.10x = 1,512,136.65 × 931,108.70
  4. Step 4: Simplify right side
    1,008,091.10x = 1,407,963,590,403.85
  5. Step 5: Solve for x
    x = 1,407,963,590,403.85/1,008,091.10
  6. Step 6: Final answer
    x = 1,396,663.05

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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.