Home / 1,555,976.40-2,334,037.56-756,304.72

Finding the Fourth Proportional to 1,555,976.40, 2,334,037.56 and 756,304.72

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Solution

The fourth proportional to 1,555,976.40, 2,334,037.56 and 756,304.72 is: 1,134,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,976.40 : 2,334,037.56 = 756,304.72 : x
  2. Step 2: Convert to fraction form
    1,555,976.40/2,334,037.56 = 756,304.72/x
  3. Step 3: Cross multiply
    1,555,976.40x = 2,334,037.56 × 756,304.72
  4. Step 4: Simplify right side
    1,555,976.40x = 1,765,243,623,285.28
  5. Step 5: Solve for x
    x = 1,765,243,623,285.28/1,555,976.40
  6. Step 6: Final answer
    x = 1,134,492.54

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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.