Home / 1,990,679.36-2,985,533.75-551,325.36

Finding the Fourth Proportional to 1,990,679.36, 2,985,533.75 and 551,325.36

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Solution

The fourth proportional to 1,990,679.36, 2,985,533.75 and 551,325.36 is: 826,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,679.36 : 2,985,533.75 = 551,325.36 : x
  2. Step 2: Convert to fraction form
    1,990,679.36/2,985,533.75 = 551,325.36/x
  3. Step 3: Cross multiply
    1,990,679.36x = 2,985,533.75 × 551,325.36
  4. Step 4: Simplify right side
    1,990,679.36x = 1,646,000,469,510.90
  5. Step 5: Solve for x
    x = 1,646,000,469,510.90/1,990,679.36
  6. Step 6: Final answer
    x = 826,853.64

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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.