Home / 1,109,084.78-1,663,921.90-350,939.71

Finding the Fourth Proportional to 1,109,084.78, 1,663,921.90 and 350,939.71

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Solution

The fourth proportional to 1,109,084.78, 1,663,921.90 and 350,939.71 is: 526,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,084.78 : 1,663,921.90 = 350,939.71 : x
  2. Step 2: Convert to fraction form
    1,109,084.78/1,663,921.90 = 350,939.71/x
  3. Step 3: Cross multiply
    1,109,084.78x = 1,663,921.90 × 350,939.71
  4. Step 4: Simplify right side
    1,109,084.78x = 583,936,271,567.23
  5. Step 5: Solve for x
    x = 583,936,271,567.23/1,109,084.78
  6. Step 6: Final answer
    x = 526,502.83

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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.