Home / 1,153,154.96-1,729,738.61-756,308.76

Finding the Fourth Proportional to 1,153,154.96, 1,729,738.61 and 756,308.76

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Solution

The fourth proportional to 1,153,154.96, 1,729,738.61 and 756,308.76 is: 1,134,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,154.96 : 1,729,738.61 = 756,308.76 : x
  2. Step 2: Convert to fraction form
    1,153,154.96/1,729,738.61 = 756,308.76/x
  3. Step 3: Cross multiply
    1,153,154.96x = 1,729,738.61 × 756,308.76
  4. Step 4: Simplify right side
    1,153,154.96x = 1,308,216,463,253.22
  5. Step 5: Solve for x
    x = 1,308,216,463,253.22/1,153,154.96
  6. Step 6: Final answer
    x = 1,134,467.19

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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.