Home / 1,271,072.05-1,913,479.88-1,157,946.91

Finding the Fourth Proportional to 1,271,072.05, 1,913,479.88 and 1,157,946.91

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Solution

The fourth proportional to 1,271,072.05, 1,913,479.88 and 1,157,946.91 is: 1,743,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,072.05 : 1,913,479.88 = 1,157,946.91 : x
  2. Step 2: Convert to fraction form
    1,271,072.05/1,913,479.88 = 1,157,946.91/x
  3. Step 3: Cross multiply
    1,271,072.05x = 1,913,479.88 × 1,157,946.91
  4. Step 4: Simplify right side
    1,271,072.05x = 2,215,708,103,819.74
  5. Step 5: Solve for x
    x = 2,215,708,103,819.74/1,271,072.05
  6. Step 6: Final answer
    x = 1,743,180.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.