Home / 1,179,070.12-1,768,979.01-420,895.34

Finding the Fourth Proportional to 1,179,070.12, 1,768,979.01 and 420,895.34

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Solution

The fourth proportional to 1,179,070.12, 1,768,979.01 and 420,895.34 is: 631,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,070.12 : 1,768,979.01 = 420,895.34 : x
  2. Step 2: Convert to fraction form
    1,179,070.12/1,768,979.01 = 420,895.34/x
  3. Step 3: Cross multiply
    1,179,070.12x = 1,768,979.01 × 420,895.34
  4. Step 4: Simplify right side
    1,179,070.12x = 744,555,021,233.95
  5. Step 5: Solve for x
    x = 744,555,021,233.95/1,179,070.12
  6. Step 6: Final answer
    x = 631,476.46

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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.