Home / 1,345,880.10-1,856,855.16-765,044.49

Finding the Fourth Proportional to 1,345,880.10, 1,856,855.16 and 765,044.49

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Solution

The fourth proportional to 1,345,880.10, 1,856,855.16 and 765,044.49 is: 1,055,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,880.10 : 1,856,855.16 = 765,044.49 : x
  2. Step 2: Convert to fraction form
    1,345,880.10/1,856,855.16 = 765,044.49/x
  3. Step 3: Cross multiply
    1,345,880.10x = 1,856,855.16 × 765,044.49
  4. Step 4: Simplify right side
    1,345,880.10x = 1,420,576,808,886.07
  5. Step 5: Solve for x
    x = 1,420,576,808,886.07/1,345,880.10
  6. Step 6: Final answer
    x = 1,055,500.27

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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.