Home / 1,274,274.54-1,911,349.53-475,493.81

Finding the Fourth Proportional to 1,274,274.54, 1,911,349.53 and 475,493.81

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Solution

The fourth proportional to 1,274,274.54, 1,911,349.53 and 475,493.81 is: 713,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,274.54 : 1,911,349.53 = 475,493.81 : x
  2. Step 2: Convert to fraction form
    1,274,274.54/1,911,349.53 = 475,493.81/x
  3. Step 3: Cross multiply
    1,274,274.54x = 1,911,349.53 × 475,493.81
  4. Step 4: Simplify right side
    1,274,274.54x = 908,834,870,261.41
  5. Step 5: Solve for x
    x = 908,834,870,261.41/1,274,274.54
  6. Step 6: Final answer
    x = 713,217.48

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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.