Home / 1,392,341.64-2,088,514.07-381,472.37

Finding the Fourth Proportional to 1,392,341.64, 2,088,514.07 and 381,472.37

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Solution

The fourth proportional to 1,392,341.64, 2,088,514.07 and 381,472.37 is: 572,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,341.64 : 2,088,514.07 = 381,472.37 : x
  2. Step 2: Convert to fraction form
    1,392,341.64/2,088,514.07 = 381,472.37/x
  3. Step 3: Cross multiply
    1,392,341.64x = 2,088,514.07 × 381,472.37
  4. Step 4: Simplify right side
    1,392,341.64x = 796,710,412,061.25
  5. Step 5: Solve for x
    x = 796,710,412,061.25/1,392,341.64
  6. Step 6: Final answer
    x = 572,209.00

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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.