Home / 1,657,039.75-2,286,805.30-931,930.31

Finding the Fourth Proportional to 1,657,039.75, 2,286,805.30 and 931,930.31

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Solution

The fourth proportional to 1,657,039.75, 2,286,805.30 and 931,930.31 is: 1,286,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,039.75 : 2,286,805.30 = 931,930.31 : x
  2. Step 2: Convert to fraction form
    1,657,039.75/2,286,805.30 = 931,930.31/x
  3. Step 3: Cross multiply
    1,657,039.75x = 2,286,805.30 × 931,930.31
  4. Step 4: Simplify right side
    1,657,039.75x = 2,131,143,175,525.83
  5. Step 5: Solve for x
    x = 2,131,143,175,525.83/1,657,039.75
  6. Step 6: Final answer
    x = 1,286,114.70

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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.