Home / 1,280,424.48-1,922,004.03-551,308.88

Finding the Fourth Proportional to 1,280,424.48, 1,922,004.03 and 551,308.88

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Solution

The fourth proportional to 1,280,424.48, 1,922,004.03 and 551,308.88 is: 827,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,424.48 : 1,922,004.03 = 551,308.88 : x
  2. Step 2: Convert to fraction form
    1,280,424.48/1,922,004.03 = 551,308.88/x
  3. Step 3: Cross multiply
    1,280,424.48x = 1,922,004.03 × 551,308.88
  4. Step 4: Simplify right side
    1,280,424.48x = 1,059,617,896,007.20
  5. Step 5: Solve for x
    x = 1,059,617,896,007.20/1,280,424.48
  6. Step 6: Final answer
    x = 827,552.04

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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.