Home / 1,148,639.81-1,723,208.78-349,900.43

Finding the Fourth Proportional to 1,148,639.81, 1,723,208.78 and 349,900.43

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Solution

The fourth proportional to 1,148,639.81, 1,723,208.78 and 349,900.43 is: 524,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,639.81 : 1,723,208.78 = 349,900.43 : x
  2. Step 2: Convert to fraction form
    1,148,639.81/1,723,208.78 = 349,900.43/x
  3. Step 3: Cross multiply
    1,148,639.81x = 1,723,208.78 × 349,900.43
  4. Step 4: Simplify right side
    1,148,639.81x = 602,951,485,360.48
  5. Step 5: Solve for x
    x = 602,951,485,360.48/1,148,639.81
  6. Step 6: Final answer
    x = 524,926.51

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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.