Home / 1,525,493.28-2,105,027.44-913,630.38

Finding the Fourth Proportional to 1,525,493.28, 2,105,027.44 and 913,630.38

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Solution

The fourth proportional to 1,525,493.28, 2,105,027.44 and 913,630.38 is: 1,260,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,493.28 : 2,105,027.44 = 913,630.38 : x
  2. Step 2: Convert to fraction form
    1,525,493.28/2,105,027.44 = 913,630.38/x
  3. Step 3: Cross multiply
    1,525,493.28x = 2,105,027.44 × 913,630.38
  4. Step 4: Simplify right side
    1,525,493.28x = 1,923,217,019,917.63
  5. Step 5: Solve for x
    x = 1,923,217,019,917.63/1,525,493.28
  6. Step 6: Final answer
    x = 1,260,718.12

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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.