Home / 993,949.60-1,491,118.80-425,329.60

Finding the Fourth Proportional to 993,949.60, 1,491,118.80 and 425,329.60

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Solution

The fourth proportional to 993,949.60, 1,491,118.80 and 425,329.60 is: 638,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,949.60 : 1,491,118.80 = 425,329.60 : x
  2. Step 2: Convert to fraction form
    993,949.60/1,491,118.80 = 425,329.60/x
  3. Step 3: Cross multiply
    993,949.60x = 1,491,118.80 × 425,329.60
  4. Step 4: Simplify right side
    993,949.60x = 634,216,962,756.48
  5. Step 5: Solve for x
    x = 634,216,962,756.48/993,949.60
  6. Step 6: Final answer
    x = 638,077.59

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1.5x scale

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.