Home / 1,318,467-1,976,527.62-476,831.64

Finding the Fourth Proportional to 1,318,467, 1,976,527.62 and 476,831.64

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Solution

The fourth proportional to 1,318,467, 1,976,527.62 and 476,831.64 is: 714,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,467 : 1,976,527.62 = 476,831.64 : x
  2. Step 2: Convert to fraction form
    1,318,467/1,976,527.62 = 476,831.64/x
  3. Step 3: Cross multiply
    1,318,467x = 1,976,527.62 × 476,831.64
  4. Step 4: Simplify right side
    1,318,467x = 942,470,906,549.90
  5. Step 5: Solve for x
    x = 942,470,906,549.90/1,318,467
  6. Step 6: Final answer
    x = 714,823.28

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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.