Home / 1,413,462.78-2,120,161.32-453,916.44

Finding the Fourth Proportional to 1,413,462.78, 2,120,161.32 and 453,916.44

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Solution

The fourth proportional to 1,413,462.78, 2,120,161.32 and 453,916.44 is: 680,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,462.78 : 2,120,161.32 = 453,916.44 : x
  2. Step 2: Convert to fraction form
    1,413,462.78/2,120,161.32 = 453,916.44/x
  3. Step 3: Cross multiply
    1,413,462.78x = 2,120,161.32 × 453,916.44
  4. Step 4: Simplify right side
    1,413,462.78x = 962,376,078,600.10
  5. Step 5: Solve for x
    x = 962,376,078,600.10/1,413,462.78
  6. Step 6: Final answer
    x = 680,864.11

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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.