Home / 1,189,567.10-1,786,122.06-480,979.10

Finding the Fourth Proportional to 1,189,567.10, 1,786,122.06 and 480,979.10

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Solution

The fourth proportional to 1,189,567.10, 1,786,122.06 and 480,979.10 is: 722,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,567.10 : 1,786,122.06 = 480,979.10 : x
  2. Step 2: Convert to fraction form
    1,189,567.10/1,786,122.06 = 480,979.10/x
  3. Step 3: Cross multiply
    1,189,567.10x = 1,786,122.06 × 480,979.10
  4. Step 4: Simplify right side
    1,189,567.10x = 859,087,380,908.95
  5. Step 5: Solve for x
    x = 859,087,380,908.95/1,189,567.10
  6. Step 6: Final answer
    x = 722,184.89

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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.