Home / 1,490,416.20-2,235,745.80-637,494.30

Finding the Fourth Proportional to 1,490,416.20, 2,235,745.80 and 637,494.30

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Solution

The fourth proportional to 1,490,416.20, 2,235,745.80 and 637,494.30 is: 956,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,416.20 : 2,235,745.80 = 637,494.30 : x
  2. Step 2: Convert to fraction form
    1,490,416.20/2,235,745.80 = 637,494.30/x
  3. Step 3: Cross multiply
    1,490,416.20x = 2,235,745.80 × 637,494.30
  4. Step 4: Simplify right side
    1,490,416.20x = 1,425,275,203,748.94
  5. Step 5: Solve for x
    x = 1,425,275,203,748.94/1,490,416.20
  6. Step 6: Final answer
    x = 956,293.42

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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.