Home / 1,678,429.92-2,317,091.04-1,137,424.32

Finding the Fourth Proportional to 1,678,429.92, 2,317,091.04 and 1,137,424.32

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Solution

The fourth proportional to 1,678,429.92, 2,317,091.04 and 1,137,424.32 is: 1,570,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,429.92 : 2,317,091.04 = 1,137,424.32 : x
  2. Step 2: Convert to fraction form
    1,678,429.92/2,317,091.04 = 1,137,424.32/x
  3. Step 3: Cross multiply
    1,678,429.92x = 2,317,091.04 × 1,137,424.32
  4. Step 4: Simplify right side
    1,678,429.92x = 2,635,515,700,550.09
  5. Step 5: Solve for x
    x = 2,635,515,700,550.09/1,678,429.92
  6. Step 6: Final answer
    x = 1,570,226.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.