Home / 1,637,605.80-2,456,408.70-920,160.45

Finding the Fourth Proportional to 1,637,605.80, 2,456,408.70 and 920,160.45

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Solution

The fourth proportional to 1,637,605.80, 2,456,408.70 and 920,160.45 is: 1,380,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,605.80 : 2,456,408.70 = 920,160.45 : x
  2. Step 2: Convert to fraction form
    1,637,605.80/2,456,408.70 = 920,160.45/x
  3. Step 3: Cross multiply
    1,637,605.80x = 2,456,408.70 × 920,160.45
  4. Step 4: Simplify right side
    1,637,605.80x = 2,260,290,134,775.92
  5. Step 5: Solve for x
    x = 2,260,290,134,775.92/1,637,605.80
  6. Step 6: Final answer
    x = 1,380,240.68

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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.