Home / 1,191,963.86-1,644,864.78-648,100.10

Finding the Fourth Proportional to 1,191,963.86, 1,644,864.78 and 648,100.10

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Solution

The fourth proportional to 1,191,963.86, 1,644,864.78 and 648,100.10 is: 894,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,963.86 : 1,644,864.78 = 648,100.10 : x
  2. Step 2: Convert to fraction form
    1,191,963.86/1,644,864.78 = 648,100.10/x
  3. Step 3: Cross multiply
    1,191,963.86x = 1,644,864.78 × 648,100.10
  4. Step 4: Simplify right side
    1,191,963.86x = 1,066,037,028,404.48
  5. Step 5: Solve for x
    x = 1,066,037,028,404.48/1,191,963.86
  6. Step 6: Final answer
    x = 894,353.48

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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.