Home / 1,082,665.76-1,624,162.62-785,389.58

Finding the Fourth Proportional to 1,082,665.76, 1,624,162.62 and 785,389.58

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Solution

The fourth proportional to 1,082,665.76, 1,624,162.62 and 785,389.58 is: 1,178,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,665.76 : 1,624,162.62 = 785,389.58 : x
  2. Step 2: Convert to fraction form
    1,082,665.76/1,624,162.62 = 785,389.58/x
  3. Step 3: Cross multiply
    1,082,665.76x = 1,624,162.62 × 785,389.58
  4. Step 4: Simplify right side
    1,082,665.76x = 1,275,600,397,973.50
  5. Step 5: Solve for x
    x = 1,275,600,397,973.50/1,082,665.76
  6. Step 6: Final answer
    x = 1,178,203.32

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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.