Home / 999,578.22-1,499,367.33-289,606.74

Finding the Fourth Proportional to 999,578.22, 1,499,367.33 and 289,606.74

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Solution

The fourth proportional to 999,578.22, 1,499,367.33 and 289,606.74 is: 434,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,578.22 : 1,499,367.33 = 289,606.74 : x
  2. Step 2: Convert to fraction form
    999,578.22/1,499,367.33 = 289,606.74/x
  3. Step 3: Cross multiply
    999,578.22x = 1,499,367.33 × 289,606.74
  4. Step 4: Simplify right side
    999,578.22x = 434,226,884,503.80
  5. Step 5: Solve for x
    x = 434,226,884,503.80/999,578.22
  6. Step 6: Final answer
    x = 434,410.11

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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.