Home / 1,392,247.65-2,088,373.32-381,378.51

Finding the Fourth Proportional to 1,392,247.65, 2,088,373.32 and 381,378.51

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Solution

The fourth proportional to 1,392,247.65, 2,088,373.32 and 381,378.51 is: 572,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,247.65 : 2,088,373.32 = 381,378.51 : x
  2. Step 2: Convert to fraction form
    1,392,247.65/2,088,373.32 = 381,378.51/x
  3. Step 3: Cross multiply
    1,392,247.65x = 2,088,373.32 × 381,378.51
  4. Step 4: Simplify right side
    1,392,247.65x = 796,460,705,105.35
  5. Step 5: Solve for x
    x = 796,460,705,105.35/1,392,247.65
  6. Step 6: Final answer
    x = 572,068.27

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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.