Home / 1,019,221.21-1,525,505.03-749,277.87

Finding the Fourth Proportional to 1,019,221.21, 1,525,505.03 and 749,277.87

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Solution

The fourth proportional to 1,019,221.21, 1,525,505.03 and 749,277.87 is: 1,121,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,221.21 : 1,525,505.03 = 749,277.87 : x
  2. Step 2: Convert to fraction form
    1,019,221.21/1,525,505.03 = 749,277.87/x
  3. Step 3: Cross multiply
    1,019,221.21x = 1,525,505.03 × 749,277.87
  4. Step 4: Simplify right side
    1,019,221.21x = 1,143,027,159,552.69
  5. Step 5: Solve for x
    x = 1,143,027,159,552.69/1,019,221.21
  6. Step 6: Final answer
    x = 1,121,471.13

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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.