Home / 1,239,586.36-1,859,134.72-340,796.32

Finding the Fourth Proportional to 1,239,586.36, 1,859,134.72 and 340,796.32

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Solution

The fourth proportional to 1,239,586.36, 1,859,134.72 and 340,796.32 is: 511,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,586.36 : 1,859,134.72 = 340,796.32 : x
  2. Step 2: Convert to fraction form
    1,239,586.36/1,859,134.72 = 340,796.32/x
  3. Step 3: Cross multiply
    1,239,586.36x = 1,859,134.72 × 340,796.32
  4. Step 4: Simplify right side
    1,239,586.36x = 633,586,270,960.23
  5. Step 5: Solve for x
    x = 633,586,270,960.23/1,239,586.36
  6. Step 6: Final answer
    x = 511,127.17

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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.