Home / 1,028,143.26-1,418,842.54-575,521.74

Finding the Fourth Proportional to 1,028,143.26, 1,418,842.54 and 575,521.74

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Solution

The fourth proportional to 1,028,143.26, 1,418,842.54 and 575,521.74 is: 794,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,143.26 : 1,418,842.54 = 575,521.74 : x
  2. Step 2: Convert to fraction form
    1,028,143.26/1,418,842.54 = 575,521.74/x
  3. Step 3: Cross multiply
    1,028,143.26x = 1,418,842.54 × 575,521.74
  4. Step 4: Simplify right side
    1,028,143.26x = 816,574,727,406.82
  5. Step 5: Solve for x
    x = 816,574,727,406.82/1,028,143.26
  6. Step 6: Final answer
    x = 794,222.71

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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.