Home / 1,687,310.80-2,531,184.90-834,818.20

Finding the Fourth Proportional to 1,687,310.80, 2,531,184.90 and 834,818.20

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Solution

The fourth proportional to 1,687,310.80, 2,531,184.90 and 834,818.20 is: 1,252,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,310.80 : 2,531,184.90 = 834,818.20 : x
  2. Step 2: Convert to fraction form
    1,687,310.80/2,531,184.90 = 834,818.20/x
  3. Step 3: Cross multiply
    1,687,310.80x = 2,531,184.90 × 834,818.20
  4. Step 4: Simplify right side
    1,687,310.80x = 2,113,079,222,085.18
  5. Step 5: Solve for x
    x = 2,113,079,222,085.18/1,687,310.80
  6. Step 6: Final answer
    x = 1,252,335.50

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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.