Home / 1,020,619.09-1,530,070.53-682,628.16

Finding the Fourth Proportional to 1,020,619.09, 1,530,070.53 and 682,628.16

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Solution

The fourth proportional to 1,020,619.09, 1,530,070.53 and 682,628.16 is: 1,023,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,619.09 : 1,530,070.53 = 682,628.16 : x
  2. Step 2: Convert to fraction form
    1,020,619.09/1,530,070.53 = 682,628.16/x
  3. Step 3: Cross multiply
    1,020,619.09x = 1,530,070.53 × 682,628.16
  4. Step 4: Simplify right side
    1,020,619.09x = 1,044,469,230,564.12
  5. Step 5: Solve for x
    x = 1,044,469,230,564.12/1,020,619.09
  6. Step 6: Final answer
    x = 1,023,368.31

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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.