Home / 1,440,608.80-2,162,269.14-731,146

Finding the Fourth Proportional to 1,440,608.80, 2,162,269.14 and 731,146

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Solution

The fourth proportional to 1,440,608.80, 2,162,269.14 and 731,146 is: 1,097,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,608.80 : 2,162,269.14 = 731,146 : x
  2. Step 2: Convert to fraction form
    1,440,608.80/2,162,269.14 = 731,146/x
  3. Step 3: Cross multiply
    1,440,608.80x = 2,162,269.14 × 731,146
  4. Step 4: Simplify right side
    1,440,608.80x = 1,580,934,432,634.44
  5. Step 5: Solve for x
    x = 1,580,934,432,634.44/1,440,608.80
  6. Step 6: Final answer
    x = 1,097,407.17

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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.