Home / 1,345,693.80-2,016,255.72-812,093.76

Finding the Fourth Proportional to 1,345,693.80, 2,016,255.72 and 812,093.76

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Solution

The fourth proportional to 1,345,693.80, 2,016,255.72 and 812,093.76 is: 1,216,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,693.80 : 2,016,255.72 = 812,093.76 : x
  2. Step 2: Convert to fraction form
    1,345,693.80/2,016,255.72 = 812,093.76/x
  3. Step 3: Cross multiply
    1,345,693.80x = 2,016,255.72 × 812,093.76
  4. Step 4: Simplify right side
    1,345,693.80x = 1,637,388,688,776.31
  5. Step 5: Solve for x
    x = 1,637,388,688,776.31/1,345,693.80
  6. Step 6: Final answer
    x = 1,216,761.71

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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.