Home / 1,345,516.78-2,018,616.13-446,963.23

Finding the Fourth Proportional to 1,345,516.78, 2,018,616.13 and 446,963.23

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Solution

The fourth proportional to 1,345,516.78, 2,018,616.13 and 446,963.23 is: 670,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,516.78 : 2,018,616.13 = 446,963.23 : x
  2. Step 2: Convert to fraction form
    1,345,516.78/2,018,616.13 = 446,963.23/x
  3. Step 3: Cross multiply
    1,345,516.78x = 2,018,616.13 × 446,963.23
  4. Step 4: Simplify right side
    1,345,516.78x = 902,247,185,594.90
  5. Step 5: Solve for x
    x = 902,247,185,594.90/1,345,516.78
  6. Step 6: Final answer
    x = 670,558.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.