Home / 1,428,919.18-2,140,342.53-967,577.45

Finding the Fourth Proportional to 1,428,919.18, 2,140,342.53 and 967,577.45

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Solution

The fourth proportional to 1,428,919.18, 2,140,342.53 and 967,577.45 is: 1,449,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,919.18 : 2,140,342.53 = 967,577.45 : x
  2. Step 2: Convert to fraction form
    1,428,919.18/2,140,342.53 = 967,577.45/x
  3. Step 3: Cross multiply
    1,428,919.18x = 2,140,342.53 × 967,577.45
  4. Step 4: Simplify right side
    1,428,919.18x = 2,070,947,170,455.87
  5. Step 5: Solve for x
    x = 2,070,947,170,455.87/1,428,919.18
  6. Step 6: Final answer
    x = 1,449,310.22

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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.