Home / 1,018,611.43-1,527,917.43-378,831.57

Finding the Fourth Proportional to 1,018,611.43, 1,527,917.43 and 378,831.57

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Solution

The fourth proportional to 1,018,611.43, 1,527,917.43 and 378,831.57 is: 568,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,611.43 : 1,527,917.43 = 378,831.57 : x
  2. Step 2: Convert to fraction form
    1,018,611.43/1,527,917.43 = 378,831.57/x
  3. Step 3: Cross multiply
    1,018,611.43x = 1,527,917.43 × 378,831.57
  4. Step 4: Simplify right side
    1,018,611.43x = 578,823,356,943.11
  5. Step 5: Solve for x
    x = 578,823,356,943.11/1,018,611.43
  6. Step 6: Final answer
    x = 568,247.46

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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.