Home / 1,200,765.28-1,801,147.56-452,636.32

Finding the Fourth Proportional to 1,200,765.28, 1,801,147.56 and 452,636.32

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Solution

The fourth proportional to 1,200,765.28, 1,801,147.56 and 452,636.32 is: 678,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,765.28 : 1,801,147.56 = 452,636.32 : x
  2. Step 2: Convert to fraction form
    1,200,765.28/1,801,147.56 = 452,636.32/x
  3. Step 3: Cross multiply
    1,200,765.28x = 1,801,147.56 × 452,636.32
  4. Step 4: Simplify right side
    1,200,765.28x = 815,264,803,335.38
  5. Step 5: Solve for x
    x = 815,264,803,335.38/1,200,765.28
  6. Step 6: Final answer
    x = 678,954.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.