Home / 976,860.80-1,465,291.20-810,972.80

Finding the Fourth Proportional to 976,860.80, 1,465,291.20 and 810,972.80

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Solution

The fourth proportional to 976,860.80, 1,465,291.20 and 810,972.80 is: 1,216,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,860.80 : 1,465,291.20 = 810,972.80 : x
  2. Step 2: Convert to fraction form
    976,860.80/1,465,291.20 = 810,972.80/x
  3. Step 3: Cross multiply
    976,860.80x = 1,465,291.20 × 810,972.80
  4. Step 4: Simplify right side
    976,860.80x = 1,188,311,307,279.36
  5. Step 5: Solve for x
    x = 1,188,311,307,279.36/976,860.80
  6. Step 6: Final answer
    x = 1,216,459.20

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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.