Home / 1,152,146.64-1,589,707.80-668,431.44

Finding the Fourth Proportional to 1,152,146.64, 1,589,707.80 and 668,431.44

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Solution

The fourth proportional to 1,152,146.64, 1,589,707.80 and 668,431.44 is: 922,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,146.64 : 1,589,707.80 = 668,431.44 : x
  2. Step 2: Convert to fraction form
    1,152,146.64/1,589,707.80 = 668,431.44/x
  3. Step 3: Cross multiply
    1,152,146.64x = 1,589,707.80 × 668,431.44
  4. Step 4: Simplify right side
    1,152,146.64x = 1,062,610,673,933.23
  5. Step 5: Solve for x
    x = 1,062,610,673,933.23/1,152,146.64
  6. Step 6: Final answer
    x = 922,287.70

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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.