Home / 1,205,498.72-1,806,990.49-406,505.54

Finding the Fourth Proportional to 1,205,498.72, 1,806,990.49 and 406,505.54

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Solution

The fourth proportional to 1,205,498.72, 1,806,990.49 and 406,505.54 is: 609,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,498.72 : 1,806,990.49 = 406,505.54 : x
  2. Step 2: Convert to fraction form
    1,205,498.72/1,806,990.49 = 406,505.54/x
  3. Step 3: Cross multiply
    1,205,498.72x = 1,806,990.49 × 406,505.54
  4. Step 4: Simplify right side
    1,205,498.72x = 734,551,649,937.92
  5. Step 5: Solve for x
    x = 734,551,649,937.92/1,205,498.72
  6. Step 6: Final answer
    x = 609,334.24

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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.