Home / 1,624,664.38-2,437,332.81-487,380.64

Finding the Fourth Proportional to 1,624,664.38, 2,437,332.81 and 487,380.64

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Solution

The fourth proportional to 1,624,664.38, 2,437,332.81 and 487,380.64 is: 731,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,664.38 : 2,437,332.81 = 487,380.64 : x
  2. Step 2: Convert to fraction form
    1,624,664.38/2,437,332.81 = 487,380.64/x
  3. Step 3: Cross multiply
    1,624,664.38x = 2,437,332.81 × 487,380.64
  4. Step 4: Simplify right side
    1,624,664.38x = 1,187,908,812,644.13
  5. Step 5: Solve for x
    x = 1,187,908,812,644.13/1,624,664.38
  6. Step 6: Final answer
    x = 731,171.82

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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.