Home / 1,018,179.84-1,405,091.52-565,470.88

Finding the Fourth Proportional to 1,018,179.84, 1,405,091.52 and 565,470.88

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Solution

The fourth proportional to 1,018,179.84, 1,405,091.52 and 565,470.88 is: 780,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,179.84 : 1,405,091.52 = 565,470.88 : x
  2. Step 2: Convert to fraction form
    1,018,179.84/1,405,091.52 = 565,470.88/x
  3. Step 3: Cross multiply
    1,018,179.84x = 1,405,091.52 × 565,470.88
  4. Step 4: Simplify right side
    1,018,179.84x = 794,538,338,294.94
  5. Step 5: Solve for x
    x = 794,538,338,294.94/1,018,179.84
  6. Step 6: Final answer
    x = 780,351.67

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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.