Home / 1,138,226.70-1,707,340.05-1,072,908.30

Finding the Fourth Proportional to 1,138,226.70, 1,707,340.05 and 1,072,908.30

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Solution

The fourth proportional to 1,138,226.70, 1,707,340.05 and 1,072,908.30 is: 1,609,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,226.70 : 1,707,340.05 = 1,072,908.30 : x
  2. Step 2: Convert to fraction form
    1,138,226.70/1,707,340.05 = 1,072,908.30/x
  3. Step 3: Cross multiply
    1,138,226.70x = 1,707,340.05 × 1,072,908.30
  4. Step 4: Simplify right side
    1,138,226.70x = 1,831,819,310,567.42
  5. Step 5: Solve for x
    x = 1,831,819,310,567.42/1,138,226.70
  6. Step 6: Final answer
    x = 1,609,362.45

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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.