Home / 1,279,627.74-1,765,838.07-698,831.58

Finding the Fourth Proportional to 1,279,627.74, 1,765,838.07 and 698,831.58

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Solution

The fourth proportional to 1,279,627.74, 1,765,838.07 and 698,831.58 is: 964,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,627.74 : 1,765,838.07 = 698,831.58 : x
  2. Step 2: Convert to fraction form
    1,279,627.74/1,765,838.07 = 698,831.58/x
  3. Step 3: Cross multiply
    1,279,627.74x = 1,765,838.07 × 698,831.58
  4. Step 4: Simplify right side
    1,279,627.74x = 1,234,023,408,482.25
  5. Step 5: Solve for x
    x = 1,234,023,408,482.25/1,279,627.74
  6. Step 6: Final answer
    x = 964,361.25

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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.