Home / 1,303,780.32-1,956,228.24-545,798.88

Finding the Fourth Proportional to 1,303,780.32, 1,956,228.24 and 545,798.88

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Solution

The fourth proportional to 1,303,780.32, 1,956,228.24 and 545,798.88 is: 818,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,780.32 : 1,956,228.24 = 545,798.88 : x
  2. Step 2: Convert to fraction form
    1,303,780.32/1,956,228.24 = 545,798.88/x
  3. Step 3: Cross multiply
    1,303,780.32x = 1,956,228.24 × 545,798.88
  4. Step 4: Simplify right side
    1,303,780.32x = 1,067,707,182,416.37
  5. Step 5: Solve for x
    x = 1,067,707,182,416.37/1,303,780.32
  6. Step 6: Final answer
    x = 818,931.81

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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.