Home / 1,346,138.60-2,016,486.30-839,143.40

Finding the Fourth Proportional to 1,346,138.60, 2,016,486.30 and 839,143.40

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Solution

The fourth proportional to 1,346,138.60, 2,016,486.30 and 839,143.40 is: 1,257,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,138.60 : 2,016,486.30 = 839,143.40 : x
  2. Step 2: Convert to fraction form
    1,346,138.60/2,016,486.30 = 839,143.40/x
  3. Step 3: Cross multiply
    1,346,138.60x = 2,016,486.30 × 839,143.40
  4. Step 4: Simplify right side
    1,346,138.60x = 1,692,121,169,835.42
  5. Step 5: Solve for x
    x = 1,692,121,169,835.42/1,346,138.60
  6. Step 6: Final answer
    x = 1,257,018.53

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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.