Home / 1,688,678.42-2,533,157.06-551,415.34

Finding the Fourth Proportional to 1,688,678.42, 2,533,157.06 and 551,415.34

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Solution

The fourth proportional to 1,688,678.42, 2,533,157.06 and 551,415.34 is: 827,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,678.42 : 2,533,157.06 = 551,415.34 : x
  2. Step 2: Convert to fraction form
    1,688,678.42/2,533,157.06 = 551,415.34/x
  3. Step 3: Cross multiply
    1,688,678.42x = 2,533,157.06 × 551,415.34
  4. Step 4: Simplify right side
    1,688,678.42x = 1,396,821,652,423.33
  5. Step 5: Solve for x
    x = 1,396,821,652,423.33/1,688,678.42
  6. Step 6: Final answer
    x = 827,168.53

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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.