Home / 1,247,996.56-1,872,000.30-395,072.38

Finding the Fourth Proportional to 1,247,996.56, 1,872,000.30 and 395,072.38

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Solution

The fourth proportional to 1,247,996.56, 1,872,000.30 and 395,072.38 is: 592,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,996.56 : 1,872,000.30 = 395,072.38 : x
  2. Step 2: Convert to fraction form
    1,247,996.56/1,872,000.30 = 395,072.38/x
  3. Step 3: Cross multiply
    1,247,996.56x = 1,872,000.30 × 395,072.38
  4. Step 4: Simplify right side
    1,247,996.56x = 739,575,613,881.71
  5. Step 5: Solve for x
    x = 739,575,613,881.71/1,247,996.56
  6. Step 6: Final answer
    x = 592,610.30

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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.