Home / 1,212,157.31-1,818,235.89-1,151,545.01

Finding the Fourth Proportional to 1,212,157.31, 1,818,235.89 and 1,151,545.01

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Solution

The fourth proportional to 1,212,157.31, 1,818,235.89 and 1,151,545.01 is: 1,727,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,157.31 : 1,818,235.89 = 1,151,545.01 : x
  2. Step 2: Convert to fraction form
    1,212,157.31/1,818,235.89 = 1,151,545.01/x
  3. Step 3: Cross multiply
    1,212,157.31x = 1,818,235.89 × 1,151,545.01
  4. Step 4: Simplify right side
    1,212,157.31x = 2,093,780,457,041.23
  5. Step 5: Solve for x
    x = 2,093,780,457,041.23/1,212,157.31
  6. Step 6: Final answer
    x = 1,727,317.44

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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.