Home / 1,329,588.60-1,993,022.10-654,631.80

Finding the Fourth Proportional to 1,329,588.60, 1,993,022.10 and 654,631.80

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Solution

The fourth proportional to 1,329,588.60, 1,993,022.10 and 654,631.80 is: 981,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,588.60 : 1,993,022.10 = 654,631.80 : x
  2. Step 2: Convert to fraction form
    1,329,588.60/1,993,022.10 = 654,631.80/x
  3. Step 3: Cross multiply
    1,329,588.60x = 1,993,022.10 × 654,631.80
  4. Step 4: Simplify right side
    1,329,588.60x = 1,304,695,644,762.78
  5. Step 5: Solve for x
    x = 1,304,695,644,762.78/1,329,588.60
  6. Step 6: Final answer
    x = 981,277.70

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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.