Home / 1,438,617-1,985,291.46-802,713

Finding the Fourth Proportional to 1,438,617, 1,985,291.46 and 802,713

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Solution

The fourth proportional to 1,438,617, 1,985,291.46 and 802,713 is: 1,107,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,617 : 1,985,291.46 = 802,713 : x
  2. Step 2: Convert to fraction form
    1,438,617/1,985,291.46 = 802,713/x
  3. Step 3: Cross multiply
    1,438,617x = 1,985,291.46 × 802,713
  4. Step 4: Simplify right side
    1,438,617x = 1,593,619,263,730.98
  5. Step 5: Solve for x
    x = 1,593,619,263,730.98/1,438,617
  6. Step 6: Final answer
    x = 1,107,743.94

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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.