Home / 1,441,725.64-1,989,559.50-788,353.75

Finding the Fourth Proportional to 1,441,725.64, 1,989,559.50 and 788,353.75

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Solution

The fourth proportional to 1,441,725.64, 1,989,559.50 and 788,353.75 is: 1,087,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,725.64 : 1,989,559.50 = 788,353.75 : x
  2. Step 2: Convert to fraction form
    1,441,725.64/1,989,559.50 = 788,353.75/x
  3. Step 3: Cross multiply
    1,441,725.64x = 1,989,559.50 × 788,353.75
  4. Step 4: Simplify right side
    1,441,725.64x = 1,568,476,692,203.75
  5. Step 5: Solve for x
    x = 1,568,476,692,203.75/1,441,725.64
  6. Step 6: Final answer
    x = 1,087,916.21

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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.