Home / 1,252,570.78-1,878,979.14-354,019.42

Finding the Fourth Proportional to 1,252,570.78, 1,878,979.14 and 354,019.42

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Solution

The fourth proportional to 1,252,570.78, 1,878,979.14 and 354,019.42 is: 531,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,570.78 : 1,878,979.14 = 354,019.42 : x
  2. Step 2: Convert to fraction form
    1,252,570.78/1,878,979.14 = 354,019.42/x
  3. Step 3: Cross multiply
    1,252,570.78x = 1,878,979.14 × 354,019.42
  4. Step 4: Simplify right side
    1,252,570.78x = 665,195,105,334.90
  5. Step 5: Solve for x
    x = 665,195,105,334.90/1,252,570.78
  6. Step 6: Final answer
    x = 531,063.89

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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.