Home / 1,439,857.38-2,159,549.67-480,320.37

Finding the Fourth Proportional to 1,439,857.38, 2,159,549.67 and 480,320.37

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Solution

The fourth proportional to 1,439,857.38, 2,159,549.67 and 480,320.37 is: 720,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,857.38 : 2,159,549.67 = 480,320.37 : x
  2. Step 2: Convert to fraction form
    1,439,857.38/2,159,549.67 = 480,320.37/x
  3. Step 3: Cross multiply
    1,439,857.38x = 2,159,549.67 × 480,320.37
  4. Step 4: Simplify right side
    1,439,857.38x = 1,037,275,696,527.78
  5. Step 5: Solve for x
    x = 1,037,275,696,527.78/1,439,857.38
  6. Step 6: Final answer
    x = 720,401.69

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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.