Home / 1,375,610.01-1,898,401.11-763,762.80

Finding the Fourth Proportional to 1,375,610.01, 1,898,401.11 and 763,762.80

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Solution

The fourth proportional to 1,375,610.01, 1,898,401.11 and 763,762.80 is: 1,054,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,610.01 : 1,898,401.11 = 763,762.80 : x
  2. Step 2: Convert to fraction form
    1,375,610.01/1,898,401.11 = 763,762.80/x
  3. Step 3: Cross multiply
    1,375,610.01x = 1,898,401.11 × 763,762.80
  4. Step 4: Simplify right side
    1,375,610.01x = 1,449,928,147,296.71
  5. Step 5: Solve for x
    x = 1,449,928,147,296.71/1,375,610.01
  6. Step 6: Final answer
    x = 1,054,025.59

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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.