Home / 1,345,145.28-1,856,207.47-756,532.86

Finding the Fourth Proportional to 1,345,145.28, 1,856,207.47 and 756,532.86

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Solution

The fourth proportional to 1,345,145.28, 1,856,207.47 and 756,532.86 is: 1,043,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,145.28 : 1,856,207.47 = 756,532.86 : x
  2. Step 2: Convert to fraction form
    1,345,145.28/1,856,207.47 = 756,532.86/x
  3. Step 3: Cross multiply
    1,345,145.28x = 1,856,207.47 × 756,532.86
  4. Step 4: Simplify right side
    1,345,145.28x = 1,404,281,946,032.46
  5. Step 5: Solve for x
    x = 1,404,281,946,032.46/1,345,145.28
  6. Step 6: Final answer
    x = 1,043,963.03

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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.