Home / 1,146,054.40-1,719,138.90-436,137.60

Finding the Fourth Proportional to 1,146,054.40, 1,719,138.90 and 436,137.60

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Solution

The fourth proportional to 1,146,054.40, 1,719,138.90 and 436,137.60 is: 654,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,054.40 : 1,719,138.90 = 436,137.60 : x
  2. Step 2: Convert to fraction form
    1,146,054.40/1,719,138.90 = 436,137.60/x
  3. Step 3: Cross multiply
    1,146,054.40x = 1,719,138.90 × 436,137.60
  4. Step 4: Simplify right side
    1,146,054.40x = 749,781,113,912.64
  5. Step 5: Solve for x
    x = 749,781,113,912.64/1,146,054.40
  6. Step 6: Final answer
    x = 654,228.21

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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.