Home / 1,118,428.01-1,677,891.09-408,454.91

Finding the Fourth Proportional to 1,118,428.01, 1,677,891.09 and 408,454.91

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Solution

The fourth proportional to 1,118,428.01, 1,677,891.09 and 408,454.91 is: 612,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,428.01 : 1,677,891.09 = 408,454.91 : x
  2. Step 2: Convert to fraction form
    1,118,428.01/1,677,891.09 = 408,454.91/x
  3. Step 3: Cross multiply
    1,118,428.01x = 1,677,891.09 × 408,454.91
  4. Step 4: Simplify right side
    1,118,428.01x = 685,342,854,155.75
  5. Step 5: Solve for x
    x = 685,342,854,155.75/1,118,428.01
  6. Step 6: Final answer
    x = 612,773.33

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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.