Home / 1,236,147.12-1,851,727.50-1,035,905.40

Finding the Fourth Proportional to 1,236,147.12, 1,851,727.50 and 1,035,905.40

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Solution

The fourth proportional to 1,236,147.12, 1,851,727.50 and 1,035,905.40 is: 1,551,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,147.12 : 1,851,727.50 = 1,035,905.40 : x
  2. Step 2: Convert to fraction form
    1,236,147.12/1,851,727.50 = 1,035,905.40/x
  3. Step 3: Cross multiply
    1,236,147.12x = 1,851,727.50 × 1,035,905.40
  4. Step 4: Simplify right side
    1,236,147.12x = 1,918,214,516,578.50
  5. Step 5: Solve for x
    x = 1,918,214,516,578.50/1,236,147.12
  6. Step 6: Final answer
    x = 1,551,768.79

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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.