Home / 1,128,435.94-1,680,925.59-1,067,319.01

Finding the Fourth Proportional to 1,128,435.94, 1,680,925.59 and 1,067,319.01

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Solution

The fourth proportional to 1,128,435.94, 1,680,925.59 and 1,067,319.01 is: 1,589,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,435.94 : 1,680,925.59 = 1,067,319.01 : x
  2. Step 2: Convert to fraction form
    1,128,435.94/1,680,925.59 = 1,067,319.01/x
  3. Step 3: Cross multiply
    1,128,435.94x = 1,680,925.59 × 1,067,319.01
  4. Step 4: Simplify right side
    1,128,435.94x = 1,794,083,836,602.47
  5. Step 5: Solve for x
    x = 1,794,083,836,602.47/1,128,435.94
  6. Step 6: Final answer
    x = 1,589,885.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.