Home / 1,550,970.64-2,140,175.82-862,530.76

Finding the Fourth Proportional to 1,550,970.64, 2,140,175.82 and 862,530.76

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Solution

The fourth proportional to 1,550,970.64, 2,140,175.82 and 862,530.76 is: 1,190,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,970.64 : 2,140,175.82 = 862,530.76 : x
  2. Step 2: Convert to fraction form
    1,550,970.64/2,140,175.82 = 862,530.76/x
  3. Step 3: Cross multiply
    1,550,970.64x = 2,140,175.82 × 862,530.76
  4. Step 4: Simplify right side
    1,550,970.64x = 1,845,967,476,558.22
  5. Step 5: Solve for x
    x = 1,845,967,476,558.22/1,550,970.64
  6. Step 6: Final answer
    x = 1,190,201.43

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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.