Home / 1,678,858.65-2,517,364.58-1,146,980.25

Finding the Fourth Proportional to 1,678,858.65, 2,517,364.58 and 1,146,980.25

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Solution

The fourth proportional to 1,678,858.65, 2,517,364.58 and 1,146,980.25 is: 1,719,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,858.65 : 2,517,364.58 = 1,146,980.25 : x
  2. Step 2: Convert to fraction form
    1,678,858.65/2,517,364.58 = 1,146,980.25/x
  3. Step 3: Cross multiply
    1,678,858.65x = 2,517,364.58 × 1,146,980.25
  4. Step 4: Simplify right side
    1,678,858.65x = 2,887,367,449,574.64
  5. Step 5: Solve for x
    x = 2,887,367,449,574.64/1,678,858.65
  6. Step 6: Final answer
    x = 1,719,839.52

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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.