Home / 1,087,032.33-1,500,147.77-628,131.69

Finding the Fourth Proportional to 1,087,032.33, 1,500,147.77 and 628,131.69

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Solution

The fourth proportional to 1,087,032.33, 1,500,147.77 and 628,131.69 is: 866,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,032.33 : 1,500,147.77 = 628,131.69 : x
  2. Step 2: Convert to fraction form
    1,087,032.33/1,500,147.77 = 628,131.69/x
  3. Step 3: Cross multiply
    1,087,032.33x = 1,500,147.77 × 628,131.69
  4. Step 4: Simplify right side
    1,087,032.33x = 942,290,354,019.83
  5. Step 5: Solve for x
    x = 942,290,354,019.83/1,087,032.33
  6. Step 6: Final answer
    x = 866,846.67

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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.