Home / 1,340,877.92-1,850,384.67-729,042.80

Finding the Fourth Proportional to 1,340,877.92, 1,850,384.67 and 729,042.80

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Solution

The fourth proportional to 1,340,877.92, 1,850,384.67 and 729,042.80 is: 1,006,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,877.92 : 1,850,384.67 = 729,042.80 : x
  2. Step 2: Convert to fraction form
    1,340,877.92/1,850,384.67 = 729,042.80/x
  3. Step 3: Cross multiply
    1,340,877.92x = 1,850,384.67 × 729,042.80
  4. Step 4: Simplify right side
    1,340,877.92x = 1,349,009,620,893.88
  5. Step 5: Solve for x
    x = 1,349,009,620,893.88/1,340,877.92
  6. Step 6: Final answer
    x = 1,006,064.46

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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.