Home / 1,239,754.32-1,859,386.38-340,964.04

Finding the Fourth Proportional to 1,239,754.32, 1,859,386.38 and 340,964.04

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Solution

The fourth proportional to 1,239,754.32, 1,859,386.38 and 340,964.04 is: 511,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,754.32 : 1,859,386.38 = 340,964.04 : x
  2. Step 2: Convert to fraction form
    1,239,754.32/1,859,386.38 = 340,964.04/x
  3. Step 3: Cross multiply
    1,239,754.32x = 1,859,386.38 × 340,964.04
  4. Step 4: Simplify right side
    1,239,754.32x = 633,983,892,045.78
  5. Step 5: Solve for x
    x = 633,983,892,045.78/1,239,754.32
  6. Step 6: Final answer
    x = 511,378.65

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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.