Home / 1,345,146.29-1,856,208.84-756,533.87

Finding the Fourth Proportional to 1,345,146.29, 1,856,208.84 and 756,533.87

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Solution

The fourth proportional to 1,345,146.29, 1,856,208.84 and 756,533.87 is: 1,043,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,146.29 : 1,856,208.84 = 756,533.87 : x
  2. Step 2: Convert to fraction form
    1,345,146.29/1,856,208.84 = 756,533.87/x
  3. Step 3: Cross multiply
    1,345,146.29x = 1,856,208.84 × 756,533.87
  4. Step 4: Simplify right side
    1,345,146.29x = 1,404,284,847,972.37
  5. Step 5: Solve for x
    x = 1,404,284,847,972.37/1,345,146.29
  6. Step 6: Final answer
    x = 1,043,964.41

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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.