Home / 1,079,689.55-1,620,530.75-547,584.35

Finding the Fourth Proportional to 1,079,689.55, 1,620,530.75 and 547,584.35

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Solution

The fourth proportional to 1,079,689.55, 1,620,530.75 and 547,584.35 is: 821,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,689.55 : 1,620,530.75 = 547,584.35 : x
  2. Step 2: Convert to fraction form
    1,079,689.55/1,620,530.75 = 547,584.35/x
  3. Step 3: Cross multiply
    1,079,689.55x = 1,620,530.75 × 547,584.35
  4. Step 4: Simplify right side
    1,079,689.55x = 887,377,270,660.07
  5. Step 5: Solve for x
    x = 887,377,270,660.07/1,079,689.55
  6. Step 6: Final answer
    x = 821,881.88

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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.