Home / 1,620,064.80-2,235,648.60-894,855.60

Finding the Fourth Proportional to 1,620,064.80, 2,235,648.60 and 894,855.60

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Solution

The fourth proportional to 1,620,064.80, 2,235,648.60 and 894,855.60 is: 1,234,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,064.80 : 2,235,648.60 = 894,855.60 : x
  2. Step 2: Convert to fraction form
    1,620,064.80/2,235,648.60 = 894,855.60/x
  3. Step 3: Cross multiply
    1,620,064.80x = 2,235,648.60 × 894,855.60
  4. Step 4: Simplify right side
    1,620,064.80x = 2,000,582,669,342.16
  5. Step 5: Solve for x
    x = 2,000,582,669,342.16/1,620,064.80
  6. Step 6: Final answer
    x = 1,234,878.18

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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.