Home / 1,152,418.41-1,589,673.87-668,921.31

Finding the Fourth Proportional to 1,152,418.41, 1,589,673.87 and 668,921.31

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Solution

The fourth proportional to 1,152,418.41, 1,589,673.87 and 668,921.31 is: 922,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,418.41 : 1,589,673.87 = 668,921.31 : x
  2. Step 2: Convert to fraction form
    1,152,418.41/1,589,673.87 = 668,921.31/x
  3. Step 3: Cross multiply
    1,152,418.41x = 1,589,673.87 × 668,921.31
  4. Step 4: Simplify right side
    1,152,418.41x = 1,063,366,727,593.17
  5. Step 5: Solve for x
    x = 1,063,366,727,593.17/1,152,418.41
  6. Step 6: Final answer
    x = 922,726.26

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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.