Home / 1,302,131.03-1,951,621.90-670,700.39

Finding the Fourth Proportional to 1,302,131.03, 1,951,621.90 and 670,700.39

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Solution

The fourth proportional to 1,302,131.03, 1,951,621.90 and 670,700.39 is: 1,005,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,131.03 : 1,951,621.90 = 670,700.39 : x
  2. Step 2: Convert to fraction form
    1,302,131.03/1,951,621.90 = 670,700.39/x
  3. Step 3: Cross multiply
    1,302,131.03x = 1,951,621.90 × 670,700.39
  4. Step 4: Simplify right side
    1,302,131.03x = 1,308,953,569,462.54
  5. Step 5: Solve for x
    x = 1,308,953,569,462.54/1,302,131.03
  6. Step 6: Final answer
    x = 1,005,239.52

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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.