Home / 1,039,087.80-1,556,007.30-829,135.80

Finding the Fourth Proportional to 1,039,087.80, 1,556,007.30 and 829,135.80

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Solution

The fourth proportional to 1,039,087.80, 1,556,007.30 and 829,135.80 is: 1,241,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,087.80 : 1,556,007.30 = 829,135.80 : x
  2. Step 2: Convert to fraction form
    1,039,087.80/1,556,007.30 = 829,135.80/x
  3. Step 3: Cross multiply
    1,039,087.80x = 1,556,007.30 × 829,135.80
  4. Step 4: Simplify right side
    1,039,087.80x = 1,290,141,357,491.34
  5. Step 5: Solve for x
    x = 1,290,141,357,491.34/1,039,087.80
  6. Step 6: Final answer
    x = 1,241,609.57

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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.