Home / 1,346,261.60-2,016,934.80-820,335.20

Finding the Fourth Proportional to 1,346,261.60, 2,016,934.80 and 820,335.20

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Solution

The fourth proportional to 1,346,261.60, 2,016,934.80 and 820,335.20 is: 1,229,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,261.60 : 2,016,934.80 = 820,335.20 : x
  2. Step 2: Convert to fraction form
    1,346,261.60/2,016,934.80 = 820,335.20/x
  3. Step 3: Cross multiply
    1,346,261.60x = 2,016,934.80 × 820,335.20
  4. Step 4: Simplify right side
    1,346,261.60x = 1,654,562,612,544.96
  5. Step 5: Solve for x
    x = 1,654,562,612,544.96/1,346,261.60
  6. Step 6: Final answer
    x = 1,229,005.28

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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.