Home / 1,009,468.80-1,515,515.40-810,014.40

Finding the Fourth Proportional to 1,009,468.80, 1,515,515.40 and 810,014.40

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Solution

The fourth proportional to 1,009,468.80, 1,515,515.40 and 810,014.40 is: 1,216,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,468.80 : 1,515,515.40 = 810,014.40 : x
  2. Step 2: Convert to fraction form
    1,009,468.80/1,515,515.40 = 810,014.40/x
  3. Step 3: Cross multiply
    1,009,468.80x = 1,515,515.40 × 810,014.40
  4. Step 4: Simplify right side
    1,009,468.80x = 1,227,589,297,421.76
  5. Step 5: Solve for x
    x = 1,227,589,297,421.76/1,009,468.80
  6. Step 6: Final answer
    x = 1,216,074.53

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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.