Home / 1,990,678.36-2,985,532.25-551,324.36

Finding the Fourth Proportional to 1,990,678.36, 2,985,532.25 and 551,324.36

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Solution

The fourth proportional to 1,990,678.36, 2,985,532.25 and 551,324.36 is: 826,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,678.36 : 2,985,532.25 = 551,324.36 : x
  2. Step 2: Convert to fraction form
    1,990,678.36/2,985,532.25 = 551,324.36/x
  3. Step 3: Cross multiply
    1,990,678.36x = 2,985,532.25 × 551,324.36
  4. Step 4: Simplify right side
    1,990,678.36x = 1,645,996,659,050.01
  5. Step 5: Solve for x
    x = 1,645,996,659,050.01/1,990,678.36
  6. Step 6: Final answer
    x = 826,852.14

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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.