Home / 1,345,144.79-1,856,206.77-756,532.37

Finding the Fourth Proportional to 1,345,144.79, 1,856,206.77 and 756,532.37

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Solution

The fourth proportional to 1,345,144.79, 1,856,206.77 and 756,532.37 is: 1,043,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,144.79 : 1,856,206.77 = 756,532.37 : x
  2. Step 2: Convert to fraction form
    1,345,144.79/1,856,206.77 = 756,532.37/x
  3. Step 3: Cross multiply
    1,345,144.79x = 1,856,206.77 × 756,532.37
  4. Step 4: Simplify right side
    1,345,144.79x = 1,404,280,497,637.11
  5. Step 5: Solve for x
    x = 1,404,280,497,637.11/1,345,144.79
  6. Step 6: Final answer
    x = 1,043,962.34

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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.