Home / 1,082,346.36-1,624,079.51-785,278.86

Finding the Fourth Proportional to 1,082,346.36, 1,624,079.51 and 785,278.86

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Solution

The fourth proportional to 1,082,346.36, 1,624,079.51 and 785,278.86 is: 1,178,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,346.36 : 1,624,079.51 = 785,278.86 : x
  2. Step 2: Convert to fraction form
    1,082,346.36/1,624,079.51 = 785,278.86/x
  3. Step 3: Cross multiply
    1,082,346.36x = 1,624,079.51 × 785,278.86
  4. Step 4: Simplify right side
    1,082,346.36x = 1,275,355,302,235.76
  5. Step 5: Solve for x
    x = 1,275,355,302,235.76/1,082,346.36
  6. Step 6: Final answer
    x = 1,178,324.56

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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.