Home / 1,392,246.80-2,087,851.80-550,624.40

Finding the Fourth Proportional to 1,392,246.80, 2,087,851.80 and 550,624.40

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Solution

The fourth proportional to 1,392,246.80, 2,087,851.80 and 550,624.40 is: 825,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,246.80 : 2,087,851.80 = 550,624.40 : x
  2. Step 2: Convert to fraction form
    1,392,246.80/2,087,851.80 = 550,624.40/x
  3. Step 3: Cross multiply
    1,392,246.80x = 2,087,851.80 × 550,624.40
  4. Step 4: Simplify right side
    1,392,246.80x = 1,149,622,144,663.92
  5. Step 5: Solve for x
    x = 1,149,622,144,663.92/1,392,246.80
  6. Step 6: Final answer
    x = 825,731.58

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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.