Home / 1,087,773.90-1,501,039.97-628,917.91

Finding the Fourth Proportional to 1,087,773.90, 1,501,039.97 and 628,917.91

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Solution

The fourth proportional to 1,087,773.90, 1,501,039.97 and 628,917.91 is: 867,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,773.90 : 1,501,039.97 = 628,917.91 : x
  2. Step 2: Convert to fraction form
    1,087,773.90/1,501,039.97 = 628,917.91/x
  3. Step 3: Cross multiply
    1,087,773.90x = 1,501,039.97 × 628,917.91
  4. Step 4: Simplify right side
    1,087,773.90x = 944,030,916,220.12
  5. Step 5: Solve for x
    x = 944,030,916,220.12/1,087,773.90
  6. Step 6: Final answer
    x = 867,855.83

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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.