Home / 1,382,859.12-2,072,924.64-662,368.80

Finding the Fourth Proportional to 1,382,859.12, 2,072,924.64 and 662,368.80

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Solution

The fourth proportional to 1,382,859.12, 2,072,924.64 and 662,368.80 is: 992,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,859.12 : 2,072,924.64 = 662,368.80 : x
  2. Step 2: Convert to fraction form
    1,382,859.12/2,072,924.64 = 662,368.80/x
  3. Step 3: Cross multiply
    1,382,859.12x = 2,072,924.64 × 662,368.80
  4. Step 4: Simplify right side
    1,382,859.12x = 1,373,040,606,287.23
  5. Step 5: Solve for x
    x = 1,373,040,606,287.23/1,382,859.12
  6. Step 6: Final answer
    x = 992,899.85

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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.