Home / 1,007,449.83-1,511,173.08-690,947.19

Finding the Fourth Proportional to 1,007,449.83, 1,511,173.08 and 690,947.19

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Solution

The fourth proportional to 1,007,449.83, 1,511,173.08 and 690,947.19 is: 1,036,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,449.83 : 1,511,173.08 = 690,947.19 : x
  2. Step 2: Convert to fraction form
    1,007,449.83/1,511,173.08 = 690,947.19/x
  3. Step 3: Cross multiply
    1,007,449.83x = 1,511,173.08 × 690,947.19
  4. Step 4: Simplify right side
    1,007,449.83x = 1,044,140,793,229.65
  5. Step 5: Solve for x
    x = 1,044,140,793,229.65/1,007,449.83
  6. Step 6: Final answer
    x = 1,036,419.64

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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.