Home / 1,118,278.14-1,677,469.05-319,673.22

Finding the Fourth Proportional to 1,118,278.14, 1,677,469.05 and 319,673.22

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Solution

The fourth proportional to 1,118,278.14, 1,677,469.05 and 319,673.22 is: 479,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,278.14 : 1,677,469.05 = 319,673.22 : x
  2. Step 2: Convert to fraction form
    1,118,278.14/1,677,469.05 = 319,673.22/x
  3. Step 3: Cross multiply
    1,118,278.14x = 1,677,469.05 × 319,673.22
  4. Step 4: Simplify right side
    1,118,278.14x = 536,241,932,663.84
  5. Step 5: Solve for x
    x = 536,241,932,663.84/1,118,278.14
  6. Step 6: Final answer
    x = 479,524.65

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1.5x scale

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.