Home / 1,419,955.86-2,130,708.78-822,084.72

Finding the Fourth Proportional to 1,419,955.86, 2,130,708.78 and 822,084.72

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Solution

The fourth proportional to 1,419,955.86, 2,130,708.78 and 822,084.72 is: 1,233,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,955.86 : 2,130,708.78 = 822,084.72 : x
  2. Step 2: Convert to fraction form
    1,419,955.86/2,130,708.78 = 822,084.72/x
  3. Step 3: Cross multiply
    1,419,955.86x = 2,130,708.78 × 822,084.72
  4. Step 4: Simplify right side
    1,419,955.86x = 1,751,623,130,807.84
  5. Step 5: Solve for x
    x = 1,751,623,130,807.84/1,419,955.86
  6. Step 6: Final answer
    x = 1,233,575.76

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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.