Home / 1,042,813.88-1,439,083.15-565,885.88

Finding the Fourth Proportional to 1,042,813.88, 1,439,083.15 and 565,885.88

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Solution

The fourth proportional to 1,042,813.88, 1,439,083.15 and 565,885.88 is: 780,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,813.88 : 1,439,083.15 = 565,885.88 : x
  2. Step 2: Convert to fraction form
    1,042,813.88/1,439,083.15 = 565,885.88/x
  3. Step 3: Cross multiply
    1,042,813.88x = 1,439,083.15 × 565,885.88
  4. Step 4: Simplify right side
    1,042,813.88x = 814,356,826,120.79
  5. Step 5: Solve for x
    x = 814,356,826,120.79/1,042,813.88
  6. Step 6: Final answer
    x = 780,922.51

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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.