Home / 1,426,831.58-1,968,975.32-782,237.64

Finding the Fourth Proportional to 1,426,831.58, 1,968,975.32 and 782,237.64

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Solution

The fourth proportional to 1,426,831.58, 1,968,975.32 and 782,237.64 is: 1,079,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,831.58 : 1,968,975.32 = 782,237.64 : x
  2. Step 2: Convert to fraction form
    1,426,831.58/1,968,975.32 = 782,237.64/x
  3. Step 3: Cross multiply
    1,426,831.58x = 1,968,975.32 × 782,237.64
  4. Step 4: Simplify right side
    1,426,831.58x = 1,540,206,607,535.05
  5. Step 5: Solve for x
    x = 1,540,206,607,535.05/1,426,831.58
  6. Step 6: Final answer
    x = 1,079,459.29

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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.