Home / 1,558,761.77-2,150,479.23-905,276.55

Finding the Fourth Proportional to 1,558,761.77, 2,150,479.23 and 905,276.55

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Solution

The fourth proportional to 1,558,761.77, 2,150,479.23 and 905,276.55 is: 1,248,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,761.77 : 2,150,479.23 = 905,276.55 : x
  2. Step 2: Convert to fraction form
    1,558,761.77/2,150,479.23 = 905,276.55/x
  3. Step 3: Cross multiply
    1,558,761.77x = 2,150,479.23 × 905,276.55
  4. Step 4: Simplify right side
    1,558,761.77x = 1,946,778,422,850.57
  5. Step 5: Solve for x
    x = 1,946,778,422,850.57/1,558,761.77
  6. Step 6: Final answer
    x = 1,248,926.20

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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.