Home / 1,006,987.24-1,389,642.78-554,275

Finding the Fourth Proportional to 1,006,987.24, 1,389,642.78 and 554,275

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Solution

The fourth proportional to 1,006,987.24, 1,389,642.78 and 554,275 is: 764,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,987.24 : 1,389,642.78 = 554,275 : x
  2. Step 2: Convert to fraction form
    1,006,987.24/1,389,642.78 = 554,275/x
  3. Step 3: Cross multiply
    1,006,987.24x = 1,389,642.78 × 554,275
  4. Step 4: Simplify right side
    1,006,987.24x = 770,244,251,884.50
  5. Step 5: Solve for x
    x = 770,244,251,884.50/1,006,987.24
  6. Step 6: Final answer
    x = 764,899.71

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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.