Home / 1,260,682.56-1,881,191.16-1,124,812.56

Finding the Fourth Proportional to 1,260,682.56, 1,881,191.16 and 1,124,812.56

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Solution

The fourth proportional to 1,260,682.56, 1,881,191.16 and 1,124,812.56 is: 1,678,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,682.56 : 1,881,191.16 = 1,124,812.56 : x
  2. Step 2: Convert to fraction form
    1,260,682.56/1,881,191.16 = 1,124,812.56/x
  3. Step 3: Cross multiply
    1,260,682.56x = 1,881,191.16 × 1,124,812.56
  4. Step 4: Simplify right side
    1,260,682.56x = 2,115,987,444,528.97
  5. Step 5: Solve for x
    x = 2,115,987,444,528.97/1,260,682.56
  6. Step 6: Final answer
    x = 1,678,445.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.