Home / 1,080,115.77-1,620,403.29-369,953.13

Finding the Fourth Proportional to 1,080,115.77, 1,620,403.29 and 369,953.13

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Solution

The fourth proportional to 1,080,115.77, 1,620,403.29 and 369,953.13 is: 555,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,115.77 : 1,620,403.29 = 369,953.13 : x
  2. Step 2: Convert to fraction form
    1,080,115.77/1,620,403.29 = 369,953.13/x
  3. Step 3: Cross multiply
    1,080,115.77x = 1,620,403.29 × 369,953.13
  4. Step 4: Simplify right side
    1,080,115.77x = 599,473,268,997.80
  5. Step 5: Solve for x
    x = 599,473,268,997.80/1,080,115.77
  6. Step 6: Final answer
    x = 555,008.35

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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.