Home / 1,392,269.64-2,088,406.29-381,400.59

Finding the Fourth Proportional to 1,392,269.64, 2,088,406.29 and 381,400.59

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Solution

The fourth proportional to 1,392,269.64, 2,088,406.29 and 381,400.59 is: 572,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,269.64 : 2,088,406.29 = 381,400.59 : x
  2. Step 2: Convert to fraction form
    1,392,269.64/2,088,406.29 = 381,400.59/x
  3. Step 3: Cross multiply
    1,392,269.64x = 2,088,406.29 × 381,400.59
  4. Step 4: Simplify right side
    1,392,269.64x = 796,519,391,165.71
  5. Step 5: Solve for x
    x = 796,519,391,165.71/1,392,269.64
  6. Step 6: Final answer
    x = 572,101.39

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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.