Home / 1,519,620.39-2,275,777.70-869,225.36

Finding the Fourth Proportional to 1,519,620.39, 2,275,777.70 and 869,225.36

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Solution

The fourth proportional to 1,519,620.39, 2,275,777.70 and 869,225.36 is: 1,301,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,620.39 : 2,275,777.70 = 869,225.36 : x
  2. Step 2: Convert to fraction form
    1,519,620.39/2,275,777.70 = 869,225.36/x
  3. Step 3: Cross multiply
    1,519,620.39x = 2,275,777.70 × 869,225.36
  4. Step 4: Simplify right side
    1,519,620.39x = 1,978,163,674,837.46
  5. Step 5: Solve for x
    x = 1,978,163,674,837.46/1,519,620.39
  6. Step 6: Final answer
    x = 1,301,748.57

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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.