Home / 1,555,177.70-2,146,255.37-876,114.20

Finding the Fourth Proportional to 1,555,177.70, 2,146,255.37 and 876,114.20

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Solution

The fourth proportional to 1,555,177.70, 2,146,255.37 and 876,114.20 is: 1,209,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,177.70 : 2,146,255.37 = 876,114.20 : x
  2. Step 2: Convert to fraction form
    1,555,177.70/2,146,255.37 = 876,114.20/x
  3. Step 3: Cross multiply
    1,555,177.70x = 2,146,255.37 × 876,114.20
  4. Step 4: Simplify right side
    1,555,177.70x = 1,880,364,791,371.41
  5. Step 5: Solve for x
    x = 1,880,364,791,371.41/1,555,177.70
  6. Step 6: Final answer
    x = 1,209,099.64

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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.