Home / 1,689,869.80-2,534,970.30-491,804.20

Finding the Fourth Proportional to 1,689,869.80, 2,534,970.30 and 491,804.20

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Solution

The fourth proportional to 1,689,869.80, 2,534,970.30 and 491,804.20 is: 737,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,869.80 : 2,534,970.30 = 491,804.20 : x
  2. Step 2: Convert to fraction form
    1,689,869.80/2,534,970.30 = 491,804.20/x
  3. Step 3: Cross multiply
    1,689,869.80x = 2,534,970.30 × 491,804.20
  4. Step 4: Simplify right side
    1,689,869.80x = 1,246,709,040,415.26
  5. Step 5: Solve for x
    x = 1,246,709,040,415.26/1,689,869.80
  6. Step 6: Final answer
    x = 737,754.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.