Home / 1,185,083.79-1,635,414.57-668,946.32

Finding the Fourth Proportional to 1,185,083.79, 1,635,414.57 and 668,946.32

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Solution

The fourth proportional to 1,185,083.79, 1,635,414.57 and 668,946.32 is: 923,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,083.79 : 1,635,414.57 = 668,946.32 : x
  2. Step 2: Convert to fraction form
    1,185,083.79/1,635,414.57 = 668,946.32/x
  3. Step 3: Cross multiply
    1,185,083.79x = 1,635,414.57 × 668,946.32
  4. Step 4: Simplify right side
    1,185,083.79x = 1,094,004,554,931.15
  5. Step 5: Solve for x
    x = 1,094,004,554,931.15/1,185,083.79
  6. Step 6: Final answer
    x = 923,145.32

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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.