Home / 1,346,267.60-2,016,943.80-820,341.20

Finding the Fourth Proportional to 1,346,267.60, 2,016,943.80 and 820,341.20

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Solution

The fourth proportional to 1,346,267.60, 2,016,943.80 and 820,341.20 is: 1,229,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,267.60 : 2,016,943.80 = 820,341.20 : x
  2. Step 2: Convert to fraction form
    1,346,267.60/2,016,943.80 = 820,341.20/x
  3. Step 3: Cross multiply
    1,346,267.60x = 2,016,943.80 × 820,341.20
  4. Step 4: Simplify right side
    1,346,267.60x = 1,654,582,097,224.56
  5. Step 5: Solve for x
    x = 1,654,582,097,224.56/1,346,267.60
  6. Step 6: Final answer
    x = 1,229,014.27

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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.