Home / 1,691,937.80-2,537,316.38-680,797.80

Finding the Fourth Proportional to 1,691,937.80, 2,537,316.38 and 680,797.80

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Solution

The fourth proportional to 1,691,937.80, 2,537,316.38 and 680,797.80 is: 1,020,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,937.80 : 2,537,316.38 = 680,797.80 : x
  2. Step 2: Convert to fraction form
    1,691,937.80/2,537,316.38 = 680,797.80/x
  3. Step 3: Cross multiply
    1,691,937.80x = 2,537,316.38 × 680,797.80
  4. Step 4: Simplify right side
    1,691,937.80x = 1,727,399,409,407.96
  5. Step 5: Solve for x
    x = 1,727,399,409,407.96/1,691,937.80
  6. Step 6: Final answer
    x = 1,020,959.17

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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.