Home / 1,345,674.58-2,016,226.92-812,074.39

Finding the Fourth Proportional to 1,345,674.58, 2,016,226.92 and 812,074.39

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Solution

The fourth proportional to 1,345,674.58, 2,016,226.92 and 812,074.39 is: 1,216,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,674.58 : 2,016,226.92 = 812,074.39 : x
  2. Step 2: Convert to fraction form
    1,345,674.58/2,016,226.92 = 812,074.39/x
  3. Step 3: Cross multiply
    1,345,674.58x = 2,016,226.92 × 812,074.39
  4. Step 4: Simplify right side
    1,345,674.58x = 1,637,326,246,160.58
  5. Step 5: Solve for x
    x = 1,637,326,246,160.58/1,345,674.58
  6. Step 6: Final answer
    x = 1,216,732.69

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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.