Home / 884,428.80-1,326,643.20-825,379.80

Finding the Fourth Proportional to 884,428.80, 1,326,643.20 and 825,379.80

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Solution

The fourth proportional to 884,428.80, 1,326,643.20 and 825,379.80 is: 1,238,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,428.80 : 1,326,643.20 = 825,379.80 : x
  2. Step 2: Convert to fraction form
    884,428.80/1,326,643.20 = 825,379.80/x
  3. Step 3: Cross multiply
    884,428.80x = 1,326,643.20 × 825,379.80
  4. Step 4: Simplify right side
    884,428.80x = 1,094,984,499,087.36
  5. Step 5: Solve for x
    x = 1,094,984,499,087.36/884,428.80
  6. Step 6: Final answer
    x = 1,238,069.70

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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.