Home / 1,509,134.76-2,082,513.24-864,407.16

Finding the Fourth Proportional to 1,509,134.76, 2,082,513.24 and 864,407.16

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Solution

The fourth proportional to 1,509,134.76, 2,082,513.24 and 864,407.16 is: 1,192,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,134.76 : 2,082,513.24 = 864,407.16 : x
  2. Step 2: Convert to fraction form
    1,509,134.76/2,082,513.24 = 864,407.16/x
  3. Step 3: Cross multiply
    1,509,134.76x = 2,082,513.24 × 864,407.16
  4. Step 4: Simplify right side
    1,509,134.76x = 1,800,139,355,450.80
  5. Step 5: Solve for x
    x = 1,800,139,355,450.80/1,509,134.76
  6. Step 6: Final answer
    x = 1,192,828.77

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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.