Home / 1,007,779.01-1,511,659.10-408,597.71

Finding the Fourth Proportional to 1,007,779.01, 1,511,659.10 and 408,597.71

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Solution

The fourth proportional to 1,007,779.01, 1,511,659.10 and 408,597.71 is: 612,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,779.01 : 1,511,659.10 = 408,597.71 : x
  2. Step 2: Convert to fraction form
    1,007,779.01/1,511,659.10 = 408,597.71/x
  3. Step 3: Cross multiply
    1,007,779.01x = 1,511,659.10 × 408,597.71
  4. Step 4: Simplify right side
    1,007,779.01x = 617,660,446,560.66
  5. Step 5: Solve for x
    x = 617,660,446,560.66/1,007,779.01
  6. Step 6: Final answer
    x = 612,892.75

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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.