Home / 1,553,268.80-2,329,903.20-431,337.80

Finding the Fourth Proportional to 1,553,268.80, 2,329,903.20 and 431,337.80

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Solution

The fourth proportional to 1,553,268.80, 2,329,903.20 and 431,337.80 is: 647,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,268.80 : 2,329,903.20 = 431,337.80 : x
  2. Step 2: Convert to fraction form
    1,553,268.80/2,329,903.20 = 431,337.80/x
  3. Step 3: Cross multiply
    1,553,268.80x = 2,329,903.20 × 431,337.80
  4. Step 4: Simplify right side
    1,553,268.80x = 1,004,975,320,500.96
  5. Step 5: Solve for x
    x = 1,004,975,320,500.96/1,553,268.80
  6. Step 6: Final answer
    x = 647,006.70

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Similar ratio
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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.