Home / 957,139.64-1,320,852.82-554,964.92

Finding the Fourth Proportional to 957,139.64, 1,320,852.82 and 554,964.92

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Solution

The fourth proportional to 957,139.64, 1,320,852.82 and 554,964.92 is: 765,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,139.64 : 1,320,852.82 = 554,964.92 : x
  2. Step 2: Convert to fraction form
    957,139.64/1,320,852.82 = 554,964.92/x
  3. Step 3: Cross multiply
    957,139.64x = 1,320,852.82 × 554,964.92
  4. Step 4: Simplify right side
    957,139.64x = 733,026,979,583.08
  5. Step 5: Solve for x
    x = 733,026,979,583.08/957,139.64
  6. Step 6: Final answer
    x = 765,851.66

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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.