Home / 957,142.64-1,320,856.96-554,967.92

Finding the Fourth Proportional to 957,142.64, 1,320,856.96 and 554,967.92

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Solution

The fourth proportional to 957,142.64, 1,320,856.96 and 554,967.92 is: 765,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,142.64 : 1,320,856.96 = 554,967.92 : x
  2. Step 2: Convert to fraction form
    957,142.64/1,320,856.96 = 554,967.92/x
  3. Step 3: Cross multiply
    957,142.64x = 1,320,856.96 × 554,967.92
  4. Step 4: Simplify right side
    957,142.64x = 733,033,239,708.72
  5. Step 5: Solve for x
    x = 733,033,239,708.72/957,142.64
  6. Step 6: Final answer
    x = 765,855.80

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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.