Home / 1,687,192.80-2,531,007.90-834,700.20

Finding the Fourth Proportional to 1,687,192.80, 2,531,007.90 and 834,700.20

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Solution

The fourth proportional to 1,687,192.80, 2,531,007.90 and 834,700.20 is: 1,252,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,192.80 : 2,531,007.90 = 834,700.20 : x
  2. Step 2: Convert to fraction form
    1,687,192.80/2,531,007.90 = 834,700.20/x
  3. Step 3: Cross multiply
    1,687,192.80x = 2,531,007.90 × 834,700.20
  4. Step 4: Simplify right side
    1,687,192.80x = 2,112,632,800,331.58
  5. Step 5: Solve for x
    x = 2,112,632,800,331.58/1,687,192.80
  6. Step 6: Final answer
    x = 1,252,158.50

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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.