Home / 1,131,067.40-1,697,809.61-457,588.85

Finding the Fourth Proportional to 1,131,067.40, 1,697,809.61 and 457,588.85

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Solution

The fourth proportional to 1,131,067.40, 1,697,809.61 and 457,588.85 is: 686,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,067.40 : 1,697,809.61 = 457,588.85 : x
  2. Step 2: Convert to fraction form
    1,131,067.40/1,697,809.61 = 457,588.85/x
  3. Step 3: Cross multiply
    1,131,067.40x = 1,697,809.61 × 457,588.85
  4. Step 4: Simplify right side
    1,131,067.40x = 776,898,739,613.77
  5. Step 5: Solve for x
    x = 776,898,739,613.77/1,131,067.40
  6. Step 6: Final answer
    x = 686,872.19

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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.