Home / 1,219,507.84-1,828,874.24-1,139,902.48

Finding the Fourth Proportional to 1,219,507.84, 1,828,874.24 and 1,139,902.48

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Solution

The fourth proportional to 1,219,507.84, 1,828,874.24 and 1,139,902.48 is: 1,709,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,507.84 : 1,828,874.24 = 1,139,902.48 : x
  2. Step 2: Convert to fraction form
    1,219,507.84/1,828,874.24 = 1,139,902.48/x
  3. Step 3: Cross multiply
    1,219,507.84x = 1,828,874.24 × 1,139,902.48
  4. Step 4: Simplify right side
    1,219,507.84x = 2,084,738,281,784.12
  5. Step 5: Solve for x
    x = 2,084,738,281,784.12/1,219,507.84
  6. Step 6: Final answer
    x = 1,709,491.50

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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.