Home / 1,392,308.01-2,088,463.83-381,438.84

Finding the Fourth Proportional to 1,392,308.01, 2,088,463.83 and 381,438.84

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Solution

The fourth proportional to 1,392,308.01, 2,088,463.83 and 381,438.84 is: 572,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,308.01 : 2,088,463.83 = 381,438.84 : x
  2. Step 2: Convert to fraction form
    1,392,308.01/2,088,463.83 = 381,438.84/x
  3. Step 3: Cross multiply
    1,392,308.01x = 2,088,463.83 × 381,438.84
  4. Step 4: Simplify right side
    1,392,308.01x = 796,621,220,697.16
  5. Step 5: Solve for x
    x = 796,621,220,697.16/1,392,308.01
  6. Step 6: Final answer
    x = 572,158.76

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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.