Home / 1,236,831.32-1,855,220.71-338,273.08

Finding the Fourth Proportional to 1,236,831.32, 1,855,220.71 and 338,273.08

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Solution

The fourth proportional to 1,236,831.32, 1,855,220.71 and 338,273.08 is: 507,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,831.32 : 1,855,220.71 = 338,273.08 : x
  2. Step 2: Convert to fraction form
    1,236,831.32/1,855,220.71 = 338,273.08/x
  3. Step 3: Cross multiply
    1,236,831.32x = 1,855,220.71 × 338,273.08
  4. Step 4: Simplify right side
    1,236,831.32x = 627,571,218,802.01
  5. Step 5: Solve for x
    x = 627,571,218,802.01/1,236,831.32
  6. Step 6: Final answer
    x = 507,402.43

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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.