Home / 1,072,135.13-1,606,956.45-397,786.29

Finding the Fourth Proportional to 1,072,135.13, 1,606,956.45 and 397,786.29

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Solution

The fourth proportional to 1,072,135.13, 1,606,956.45 and 397,786.29 is: 596,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,135.13 : 1,606,956.45 = 397,786.29 : x
  2. Step 2: Convert to fraction form
    1,072,135.13/1,606,956.45 = 397,786.29/x
  3. Step 3: Cross multiply
    1,072,135.13x = 1,606,956.45 × 397,786.29
  4. Step 4: Simplify right side
    1,072,135.13x = 639,225,244,437.07
  5. Step 5: Solve for x
    x = 639,225,244,437.07/1,072,135.13
  6. Step 6: Final answer
    x = 596,217.05

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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.