Home / 829,077.40-1,243,616.10-810,645.40

Finding the Fourth Proportional to 829,077.40, 1,243,616.10 and 810,645.40

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Solution

The fourth proportional to 829,077.40, 1,243,616.10 and 810,645.40 is: 1,215,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,077.40 : 1,243,616.10 = 810,645.40 : x
  2. Step 2: Convert to fraction form
    829,077.40/1,243,616.10 = 810,645.40/x
  3. Step 3: Cross multiply
    829,077.40x = 1,243,616.10 × 810,645.40
  4. Step 4: Simplify right side
    829,077.40x = 1,008,131,670,830.94
  5. Step 5: Solve for x
    x = 1,008,131,670,830.94/829,077.40
  6. Step 6: Final answer
    x = 1,215,968.10

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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.