Home / 1,619,884.64-2,235,464.40-940,821.08

Finding the Fourth Proportional to 1,619,884.64, 2,235,464.40 and 940,821.08

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Solution

The fourth proportional to 1,619,884.64, 2,235,464.40 and 940,821.08 is: 1,298,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,884.64 : 2,235,464.40 = 940,821.08 : x
  2. Step 2: Convert to fraction form
    1,619,884.64/2,235,464.40 = 940,821.08/x
  3. Step 3: Cross multiply
    1,619,884.64x = 2,235,464.40 × 940,821.08
  4. Step 4: Simplify right side
    1,619,884.64x = 2,103,172,031,109.55
  5. Step 5: Solve for x
    x = 2,103,172,031,109.55/1,619,884.64
  6. Step 6: Final answer
    x = 1,298,346.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.