Home / 1,346,271.60-2,016,949.80-820,345.20

Finding the Fourth Proportional to 1,346,271.60, 2,016,949.80 and 820,345.20

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Solution

The fourth proportional to 1,346,271.60, 2,016,949.80 and 820,345.20 is: 1,229,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,271.60 : 2,016,949.80 = 820,345.20 : x
  2. Step 2: Convert to fraction form
    1,346,271.60/2,016,949.80 = 820,345.20/x
  3. Step 3: Cross multiply
    1,346,271.60x = 2,016,949.80 × 820,345.20
  4. Step 4: Simplify right side
    1,346,271.60x = 1,654,595,087,070.96
  5. Step 5: Solve for x
    x = 1,654,595,087,070.96/1,346,271.60
  6. Step 6: Final answer
    x = 1,229,020.27

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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.