Home / 1,012,608.91-1,396,741.86-649,457.56

Finding the Fourth Proportional to 1,012,608.91, 1,396,741.86 and 649,457.56

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Solution

The fourth proportional to 1,012,608.91, 1,396,741.86 and 649,457.56 is: 895,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,608.91 : 1,396,741.86 = 649,457.56 : x
  2. Step 2: Convert to fraction form
    1,012,608.91/1,396,741.86 = 649,457.56/x
  3. Step 3: Cross multiply
    1,012,608.91x = 1,396,741.86 × 649,457.56
  4. Step 4: Simplify right side
    1,012,608.91x = 907,124,562,091.39
  5. Step 5: Solve for x
    x = 907,124,562,091.39/1,012,608.91
  6. Step 6: Final answer
    x = 895,829.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.