Home / 1,413,019.24-1,949,956.96-768,437.72

Finding the Fourth Proportional to 1,413,019.24, 1,949,956.96 and 768,437.72

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Solution

The fourth proportional to 1,413,019.24, 1,949,956.96 and 768,437.72 is: 1,060,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,019.24 : 1,949,956.96 = 768,437.72 : x
  2. Step 2: Convert to fraction form
    1,413,019.24/1,949,956.96 = 768,437.72/x
  3. Step 3: Cross multiply
    1,413,019.24x = 1,949,956.96 × 768,437.72
  4. Step 4: Simplify right side
    1,413,019.24x = 1,498,420,480,440.53
  5. Step 5: Solve for x
    x = 1,498,420,480,440.53/1,413,019.24
  6. Step 6: Final answer
    x = 1,060,438.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.