Home / 1,346,073.60-2,016,388.80-839,078.40

Finding the Fourth Proportional to 1,346,073.60, 2,016,388.80 and 839,078.40

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Solution

The fourth proportional to 1,346,073.60, 2,016,388.80 and 839,078.40 is: 1,256,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,073.60 : 2,016,388.80 = 839,078.40 : x
  2. Step 2: Convert to fraction form
    1,346,073.60/2,016,388.80 = 839,078.40/x
  3. Step 3: Cross multiply
    1,346,073.60x = 2,016,388.80 × 839,078.40
  4. Step 4: Simplify right side
    1,346,073.60x = 1,691,908,288,081.92
  5. Step 5: Solve for x
    x = 1,691,908,288,081.92/1,346,073.60
  6. Step 6: Final answer
    x = 1,256,921.08

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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.