Home / 1,637,107.20-2,455,660.80-838,123.20

Finding the Fourth Proportional to 1,637,107.20, 2,455,660.80 and 838,123.20

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Solution

The fourth proportional to 1,637,107.20, 2,455,660.80 and 838,123.20 is: 1,257,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,107.20 : 2,455,660.80 = 838,123.20 : x
  2. Step 2: Convert to fraction form
    1,637,107.20/2,455,660.80 = 838,123.20/x
  3. Step 3: Cross multiply
    1,637,107.20x = 2,455,660.80 × 838,123.20
  4. Step 4: Simplify right side
    1,637,107.20x = 2,058,146,287,810.56
  5. Step 5: Solve for x
    x = 2,058,146,287,810.56/1,637,107.20
  6. Step 6: Final answer
    x = 1,257,184.80

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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.