Home / 1,013,787.90-1,399,023.62-548,640.83

Finding the Fourth Proportional to 1,013,787.90, 1,399,023.62 and 548,640.83

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Solution

The fourth proportional to 1,013,787.90, 1,399,023.62 and 548,640.83 is: 757,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,787.90 : 1,399,023.62 = 548,640.83 : x
  2. Step 2: Convert to fraction form
    1,013,787.90/1,399,023.62 = 548,640.83/x
  3. Step 3: Cross multiply
    1,013,787.90x = 1,399,023.62 × 548,640.83
  4. Step 4: Simplify right side
    1,013,787.90x = 767,561,470,328.08
  5. Step 5: Solve for x
    x = 767,561,470,328.08/1,013,787.90
  6. Step 6: Final answer
    x = 757,122.34

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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.