Home / 1,106,390.60-1,659,585.90-763,906.40

Finding the Fourth Proportional to 1,106,390.60, 1,659,585.90 and 763,906.40

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Solution

The fourth proportional to 1,106,390.60, 1,659,585.90 and 763,906.40 is: 1,145,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,390.60 : 1,659,585.90 = 763,906.40 : x
  2. Step 2: Convert to fraction form
    1,106,390.60/1,659,585.90 = 763,906.40/x
  3. Step 3: Cross multiply
    1,106,390.60x = 1,659,585.90 × 763,906.40
  4. Step 4: Simplify right side
    1,106,390.60x = 1,267,768,290,359.76
  5. Step 5: Solve for x
    x = 1,267,768,290,359.76/1,106,390.60
  6. Step 6: Final answer
    x = 1,145,859.60

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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.