Home / 1,100,480.43-1,518,678.41-664,837.19

Finding the Fourth Proportional to 1,100,480.43, 1,518,678.41 and 664,837.19

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Solution

The fourth proportional to 1,100,480.43, 1,518,678.41 and 664,837.19 is: 917,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,480.43 : 1,518,678.41 = 664,837.19 : x
  2. Step 2: Convert to fraction form
    1,100,480.43/1,518,678.41 = 664,837.19/x
  3. Step 3: Cross multiply
    1,100,480.43x = 1,518,678.41 × 664,837.19
  4. Step 4: Simplify right side
    1,100,480.43x = 1,009,673,875,700.49
  5. Step 5: Solve for x
    x = 1,009,673,875,700.49/1,100,480.43
  6. Step 6: Final answer
    x = 917,484.63

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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.