Home / 1,158,165.64-1,736,821.50-399,814.12

Finding the Fourth Proportional to 1,158,165.64, 1,736,821.50 and 399,814.12

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Solution

The fourth proportional to 1,158,165.64, 1,736,821.50 and 399,814.12 is: 599,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,165.64 : 1,736,821.50 = 399,814.12 : x
  2. Step 2: Convert to fraction form
    1,158,165.64/1,736,821.50 = 399,814.12/x
  3. Step 3: Cross multiply
    1,158,165.64x = 1,736,821.50 × 399,814.12
  4. Step 4: Simplify right side
    1,158,165.64x = 694,405,759,619.58
  5. Step 5: Solve for x
    x = 694,405,759,619.58/1,158,165.64
  6. Step 6: Final answer
    x = 599,573.79

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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.