Home / 1,438,870.90-1,985,642.20-794,291.54

Finding the Fourth Proportional to 1,438,870.90, 1,985,642.20 and 794,291.54

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Solution

The fourth proportional to 1,438,870.90, 1,985,642.20 and 794,291.54 is: 1,096,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,870.90 : 1,985,642.20 = 794,291.54 : x
  2. Step 2: Convert to fraction form
    1,438,870.90/1,985,642.20 = 794,291.54/x
  3. Step 3: Cross multiply
    1,438,870.90x = 1,985,642.20 × 794,291.54
  4. Step 4: Simplify right side
    1,438,870.90x = 1,577,178,800,926.99
  5. Step 5: Solve for x
    x = 1,577,178,800,926.99/1,438,870.90
  6. Step 6: Final answer
    x = 1,096,122.52

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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.