Home / 1,438,934.88-1,985,746.23-794,355.42

Finding the Fourth Proportional to 1,438,934.88, 1,985,746.23 and 794,355.42

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Solution

The fourth proportional to 1,438,934.88, 1,985,746.23 and 794,355.42 is: 1,096,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,934.88 : 1,985,746.23 = 794,355.42 : x
  2. Step 2: Convert to fraction form
    1,438,934.88/1,985,746.23 = 794,355.42/x
  3. Step 3: Cross multiply
    1,438,934.88x = 1,985,746.23 × 794,355.42
  4. Step 4: Simplify right side
    1,438,934.88x = 1,577,388,280,545.07
  5. Step 5: Solve for x
    x = 1,577,388,280,545.07/1,438,934.88
  6. Step 6: Final answer
    x = 1,096,219.37

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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.