Home / 1,006,980.24-1,389,633.12-554,268

Finding the Fourth Proportional to 1,006,980.24, 1,389,633.12 and 554,268

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Solution

The fourth proportional to 1,006,980.24, 1,389,633.12 and 554,268 is: 764,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,980.24 : 1,389,633.12 = 554,268 : x
  2. Step 2: Convert to fraction form
    1,006,980.24/1,389,633.12 = 554,268/x
  3. Step 3: Cross multiply
    1,006,980.24x = 1,389,633.12 × 554,268
  4. Step 4: Simplify right side
    1,006,980.24x = 770,229,170,156.16
  5. Step 5: Solve for x
    x = 770,229,170,156.16/1,006,980.24
  6. Step 6: Final answer
    x = 764,890.05

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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.