Home / 1,080,315.78-1,490,851.44-596,892.12

Finding the Fourth Proportional to 1,080,315.78, 1,490,851.44 and 596,892.12

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Solution

The fourth proportional to 1,080,315.78, 1,490,851.44 and 596,892.12 is: 823,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,315.78 : 1,490,851.44 = 596,892.12 : x
  2. Step 2: Convert to fraction form
    1,080,315.78/1,490,851.44 = 596,892.12/x
  3. Step 3: Cross multiply
    1,080,315.78x = 1,490,851.44 × 596,892.12
  4. Step 4: Simplify right side
    1,080,315.78x = 889,877,476,626.65
  5. Step 5: Solve for x
    x = 889,877,476,626.65/1,080,315.78
  6. Step 6: Final answer
    x = 823,719.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.