Home / 1,345,145.54-1,856,207.81-756,533.12

Finding the Fourth Proportional to 1,345,145.54, 1,856,207.81 and 756,533.12

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Solution

The fourth proportional to 1,345,145.54, 1,856,207.81 and 756,533.12 is: 1,043,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,145.54 : 1,856,207.81 = 756,533.12 : x
  2. Step 2: Convert to fraction form
    1,345,145.54/1,856,207.81 = 756,533.12/x
  3. Step 3: Cross multiply
    1,345,145.54x = 1,856,207.81 × 756,533.12
  4. Step 4: Simplify right side
    1,345,145.54x = 1,404,282,678,477.96
  5. Step 5: Solve for x
    x = 1,404,282,678,477.96/1,345,145.54
  6. Step 6: Final answer
    x = 1,043,963.38

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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.