Home / 1,204,816.16-1,662,652.43-661,002.21

Finding the Fourth Proportional to 1,204,816.16, 1,662,652.43 and 661,002.21

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Solution

The fourth proportional to 1,204,816.16, 1,662,652.43 and 661,002.21 is: 912,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,816.16 : 1,662,652.43 = 661,002.21 : x
  2. Step 2: Convert to fraction form
    1,204,816.16/1,662,652.43 = 661,002.21/x
  3. Step 3: Cross multiply
    1,204,816.16x = 1,662,652.43 × 661,002.21
  4. Step 4: Simplify right side
    1,204,816.16x = 1,099,016,927,386.86
  5. Step 5: Solve for x
    x = 1,099,016,927,386.86/1,204,816.16
  6. Step 6: Final answer
    x = 912,186.41

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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.